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| This glossary contains: 19186 medical terms |
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Endometrial cancer
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Endometrial cancerCancer of the womb (the uterus ). Endometrial cancer occurs most often in women between the ages of 55 and 70 years. It accounts for about 6% of cancer in women. Women at elevated risk for endometrial cancer include those who are obese, who have few or no children, who began menstruating at a young age, who had a late menopause, and women of high socioeconomic status. It is thought that most of these risk factors are related to hormones, especially excess estrogen.
RELATED TERMS--------------------------------------
Cancer
Any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream.
Womb
In female mammals, the organ in which the young live and grow before birth.
Uterus
The uterus is a hollow, pear-shaped organ located in a woman's lower abdomen, between the bladder and the rectum, that sheds its lining each month during menstruation and in which a fertilized egg (ovum) becomes implanted and the fetus develops.
Risk
In clinical trials, the probability of harm or discomfort for subjects, arising from the test product. Acceptable risk differs depending on the condition for which a product is being tested. A product for sore throat, for example, will be expected to have a low incidence of side effects. However, unpleasant side effects may be an acceptable risk when testing a promising treatment for a life-threatening illness.
Menopause
Is a stage of the human female reproductive cycle that occurs as the ovaries stop producing estrogen, causing the reproductive system to gradually shut down. As the body adapts to the changing levels of natural hormones, vasomotor symptoms such as hot flashes and palpitations, psychological symptoms such as increased depression, anxiety, irritability, mood swings and lack of concentration, and atrophic symptoms such as vaginal drynes.
Status
Indicated degree of medical urgency for patients awaiting transplants.
Hormones
Biological compounds that communicate information at a distance. Hormones require specific receptors to begin their biological action and use second messengers to initiate the cellular process that uses that information.
Estrogen
A hormone produced in the ovaries that works with progesterone to, among other things, regulate the reproductive cycle.
SIMILAR TERMS--------------------------------------
Endocannabinoid
A marijuana-like substance. Endocannabinoid is abbreviated EC.
Endocardial
Pertaining to the endocardium, the inside lining of the heart.
Endocarditis
A bacterial infection of the heart lining.
Endocarditis (SBE)
An infection of the inner lining of the heart or its valves. It is usually caused by bacteria and is more likely to occur in people who have heart valve defects or have had heart surgery to treat valve disease.
Endocardium
The membrane that covers the inside surface of the heart.
Endocervical curettage
The removal of tissue from the inside of the cervix using a spoon-shaped instrument called a curette.
Endochondral bone
Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the process of calcification. The cartilage is then resorbed (reabsorbed), leaving bone in its place. Many bones are formed this way, particularly the long bones of the arms, legs, and ribs.
Endocrine
Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they travel to affect distant organs. The endocrine sites include the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroids, heart (which makes atrial-natriuretic peptide), the stomach and intestines, islets of Langerhans in the pancreas, the adrenal glands, the kidney (which makes renin, erythropoietin, and calcitriol), fat cells (which make leptin). the testes, the ovarian follicle (estrogens) and the corpus luteum in the ovary). Endocrine is as opposed to exocrine. (The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract.)
Endocrine gland
One of the body's ductless glands from which a hormone is secreted directly into the bloodstream.
Endocrine glands
Glands that are ductless and release their secretions directly into the bloodstream.
Endocrine Glands
Glands that release hormones into the bloodstream. They affect how the body uses food (metabolism). They also influence other body functions. One endocrine gland is the pancreas. It releases insulin so the body can use sugar for energy.
Endocrine hormones
Hormones that are secreted from a discrete gland and then travel through the bloodstream to target tissues.
Endocrine pancreas
The part of the pancreas that produces hormones that govern sugar metabolism. Compare with the exocrine pancreas.
Endocrinologist
A physician trained in diagnosing and treating disorders of hormone-secreting (endocrine) organs. These organs include the thyroid, parathyroid and adrenal glands, the pituitary, the pineal body and the gonads.
Endocrinology
The study of hormones. A more inclusive definition would be the study of biological communications.
Endocrinopathy
Literally, a disease of an endocrine gland. A medical term for a hormone problem. For example, hyperthyroidism, hypothyroidism, etc.
Endocytosis
The process by which extracellular molecules (including hormones) enter a cell.
Endoderm
One of the three primary germ cell layers -- the other two are the mesoderm and ectoderm -- in the very early embryo. The endoderm is the innermost of the three layers. It differentiates to give rise first to the embryonic gut and then to the linings of respiratory and digestive tracts and the liver and pancreas.
Endodermal
Pertaining to the endoderm or to tissues derived from the endoderm.
Endodontist
Specialist who treats injuries, diseases and infections of the tooth pulp (nerve chamber).
Endogenous
Produced from within.
Endometrial ablation
Removal of the lining of the womb. Removing the uterine lining decreases menstrual flow or stops it completely. Ablation means removal or excision, usually surgically. The word comes from the Latin ablatum meaning to carry away.
Endometrial hyperplasia
Abnormal thickening of the endometrium caused by excessive cell growth.
Endometrial implants
Fragments of endometrium that relocate outside of the uterus, such as in the muscular wall of the uterus, ovaries, fallopian tubes, vagina, or intestine, and bleed monthly just as endometrium does in the uterus.
Endometriosis
A condition in which tissue more or less perfectly resembling the uterine mucous membrane (the endometrium) and containing typical endometrial granular and stromal elements occurs aberrantly in various locations in the pelvic cavity.
Endometriosis interna
Also known as adenomyosis this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometriosis uterina
Also known as adenomyosis, this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometritis
Inflammation of the endometrium. The endometrium is the inner layer of the womb (uterus).
Endometrium
The lining of the uterus or womb. Structurally, it is a mucous membrane.
Endonuclease
An enzyme that cleaves a nucleic acid (DNA or RNA) at specific internal sites in the nucleotide base sequence.
Endopeptidase
An enzyme that catalyzes the cleavage of peptide bonds within a polypeptide or protein. Peptidase refers to the fact that it acts on peptide bonds and endopeptidase refers to the fact that these are internal bonds. An exopeptide catalyzes the cleavage of the terminal or penultimate peptide bond, releasing a single amino acid or dipeptide from the peptide chain.
Endophthalmitis
An inflammation involving the internal parts of the eye – i.e., choroid, retina, ciliary body and iris. A very serious condition sometimes seen after an injury to the eye by a foreign object. Vision is severely threatened. Large doses of cortisone and antibiotics are often needed. May lead to the removal of the eye. Must be treated by an eye doctor ASAP.
Endoplasmic reticulum
A network or system of folded membranes and interconnecting tubules distributed within the cytoplasm of eukaryotic cells. The membranes form enclosed or semienclosed spaces. The endoplasmic reticulum functions in storage and transport, and as a point of attachment of ribosomes during protein synthesis.
Endorectal MRI
An MRI (magnetic resonance imaging) done from inside the rectum. To do such as MRI, a surface coil within an inflated latex balloon can be positioned in the rectum. The MRI is read (interpreted) and specific areas of suspicion are identified. The MRI data can be mapped onto a 3-dimensional model to determine strategy.
Endorphins
The general term to refer to all of the body's own endogenous morphinelike substances. In chemical structure, they are neuropeptides. They are active as neurotransmitters and neuromodulators.
Endoscope
A small, flexible tube with a light and a lens on the end. It is used to look into the esophagus, stomach, duodenum, colon, or rectum. It can also be used to take tissue from the body for testing or to take color photographs of the inside of the body. Colonoscopes and sigmoidoscopes are types of endoscopes.
Endoscopic gastrostomy, percutaneous (PEG)
A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on the abdomen). The aim of PEG is to feed those who cannot swallow. PEG may be done by a surgeon, otolaryngologist (ENT specialist), or gastroenterologist (GI specialist). It is done in a hospital or outpatient surgical facility. Local anesthesia (usually lidocaine or another spray) is used to anesthetize the throat. An endoscope (a flexible, lighted instrument) is passed through the mouth, throat and esophagus to the stomach. The surgeon then makes a small incision (cut) in the skin of the abdomen and pushes an intravenous cannula (an IV tube) through the skin into the stomach and sutures (ties) it in place. The patient can usually go home the same day or the next morning. Possible complications include wound infection (as in any kind of surgery) and dislodging or malfunction of the tube. Percutaneous endoscopic gastrostomy may be a mouthful (as a term) but it describes the procedure accurately. A gastrostomy (a surgical opening into the stomach) is made percutaneously (through the skin) using an endoscope to put the feeding tube in place. PEG takes less time, carries less risk and costs less than a classic surgical gastrostomy which requires opening the abdomen.
Endoscopic papillotomy
An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a catheter and a wire to remove gallstones or other blockages. Also called endoscopic sphincterotomy.
Endoscopic retrograde cholangiopancreatography
Abbreviated ERCP. A procedure done to diagnose and treat problems in the liver, gallbladder, bile ducts, and pancreas, including gallstones, inflammatory strictures (scars), leaks (from trauma and surgery), and cancer. ERCP combines the use of x-rays and an endoscope (a long, flexible, lighted tube). Through it, the physician can see the inside of the stomach and duodenum and inject dye into the bile ducts and pancreas so they can be seen on x-ray. ERCP takes 30 minutes to 2 hours. Possible complications of ERCP include pancreatitis (inflammation of the pancreas), infection, bleeding, and perforation of the duodenum.
Endoscopic retrograde cholangiopancreatography (ERCP)
A test using an x-ray to look into the bile and pancreatic ducts. The doctor inserts an endoscope through the mouth into the duodenum and bile ducts. Dye is sent through the tube into the ducts. The dye makes the ducts show up on an x-ray.
Endoscopic Retrograde Cholangiopancreatography (ERCP)
Endoscopic Retrograde Cholangiopancreatography (ERCP) refers to an x-ray examination of the bile ducts which is aided by a fiber-optic endoscope.
Endoscopic sphincterotomy
An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a catheter and a wire to remove gallstones or other blockages. Also called endoscopic papillotomy.
Endoscopic ultrasound
Abbreviated EUS. A procedure that combines endoscopy and ultrasound to obtain images and information about the digestive tract and the surrounding tissue and organs. In EUS a small ultrasound transducer is installed on the tip of the endoscope allowing the transducer to get close to the organs inside the body so the resultant ultrasound images are often more accurate and detailed than ones obtained by traditional ultrasound.
Endoscopy
Procedure in which a lighted viewing instrument (endoscope) is used to look inside a body cavity or organ to diagnose or treat disorders.
Endoscopy, upper
A common type of endoscopy is upper endoscopy, also called esophagogastroduodenoscopy (EGD). In this procedure, a thin flexible instrument is advanced through the mouth to evaluate or treat problems of the esophagus, stomach, and beginning part of the small intestine. Endoscopy itself is a broad term used to described examining the inside of the body using an lighted, flexible instrument called an endoscope. In general, an endoscope is introduced into the body through a natural opening such as the mouth in the case of upper endoscopy.
Endosol extra
Endosol extra is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): calcium chloride; dextrose; glutathione disulfide; magnesium chloride; potassium chloride; sodium bicarbonate; sodium chloride; sodium phosphate.
Endostatin
Endostatin is a piece (a fragment) of a protein, collagen 18, found in all blood vessels. This fragment is normally secreted by tumors. It appears to halt the process of developing new blood vessels (angiogenesis) which is necessary to tumor development. Endostatin may, it is hoped, represent a prototype for a new class of agents with which to treat cancer.
Endothelial
Relating to the endothelium, the layer of flat cells lining the closed spaces of the body such as the inside of blood vessels, lymphatic vessels, the heart, and body cavities. By contrast, the outside layer of cells that covers all the free, open surfaces of the body including the skin and mucous membranes that communicate with the outside of the body is called the epithelium.
Endothelial cells
The cells that line the vascular system. They act as a barrier between the bloodstream and target cells that hormones must pass through in order to reach their receptors and exert their biological action.
Endothelial progenitor cell
A primitive cell made in the bone marrow that can enter the bloodstream and go to areas of blood vessel injury to help repair the damage. The number of endothelial progenitor cells in the blood is a risk factor for vascular disease. Depletion or senescence of endothelial progenitor cells may contribute to blood vessel disease.
Endothelium
The interior surfaces of blood vessels. The endothelium, which is the site of atherosclerosis in arteries, is composed of specialized cells called epithelial cells.
Endotherm
An endotherm is a warm-blooded animal (such as homo sapiens). Another term for us warm-blooded creatures is homeotherm. An endotherm or homeotherm is as opposed to a poikilotherm (an organism such as a frog that is cold-blooded) and a stenotherm (a creature that can only survive only within a very narrow temperature range).
Endotoxemia
Presence in the blood of endotoxins.
Endotracheal intubation
Passage of a tube through the nose or mouth into the trachea for maintenance of the airway during anesthesia or for maintenance of an imperiled airway.
Endotracheal tube
A tube which is inserted in the airway, by ACLS personnel, to provide a secure airway. This is the definitive airway control technique.
Endourologist
An endourologist is a urologist with special expertise in navigating, using endoscopic optical instruments and other tools, inside the kidney, ureter and bladder. Endourologists are specialists in treating diseases of these organs.
PREVIOUS AND NEXT TERMS--------------------------------------
Endochondral bone
Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the process of calcification. The cartilage is then resorbed (reabsorbed), leaving bone in its place. Many bones are formed this way, particularly the long bones of the arms, legs, and ribs.
Endocrine
Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they travel to affect distant organs. The endocrine sites include the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroids, heart (which makes atrial-natriuretic peptide), the stomach and intestines, islets of Langerhans in the pancreas, the adrenal glands, the kidney (which makes renin, erythropoietin, and calcitriol), fat cells (which make leptin). the testes, the ovarian follicle (estrogens) and the corpus luteum in the ovary). Endocrine is as opposed to exocrine. (The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract.)
Endocrinopathy
Literally, a disease of an endocrine gland. A medical term for a hormone problem. For example, hyperthyroidism, hypothyroidism, etc.
Endoderm
One of the three primary germ cell layers -- the other two are the mesoderm and ectoderm -- in the very early embryo. The endoderm is the innermost of the three layers. It differentiates to give rise first to the embryonic gut and then to the linings of respiratory and digestive tracts and the liver and pancreas.
Endodermal
Pertaining to the endoderm or to tissues derived from the endoderm.
Endometrial cancer
Endometriosis interna
Also known as adenomyosis this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometriosis uterina
Also known as adenomyosis, this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometritis
Inflammation of the endometrium. The endometrium is the inner layer of the womb (uterus).
Endonuclease
An enzyme that cleaves a nucleic acid (DNA or RNA) at specific internal sites in the nucleotide base sequence.
Endopeptidase
An enzyme that catalyzes the cleavage of peptide bonds within a polypeptide or protein. Peptidase refers to the fact that it acts on peptide bonds and endopeptidase refers to the fact that these are internal bonds. An exopeptide catalyzes the cleavage of the terminal or penultimate peptide bond, releasing a single amino acid or dipeptide from the peptide chain.
RELATED TERMS--------------------------------------
Cancer
Any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream.
Womb
In female mammals, the organ in which the young live and grow before birth.
Uterus
The uterus is a hollow, pear-shaped organ located in a woman's lower abdomen, between the bladder and the rectum, that sheds its lining each month during menstruation and in which a fertilized egg (ovum) becomes implanted and the fetus develops.
Risk
In clinical trials, the probability of harm or discomfort for subjects, arising from the test product. Acceptable risk differs depending on the condition for which a product is being tested. A product for sore throat, for example, will be expected to have a low incidence of side effects. However, unpleasant side effects may be an acceptable risk when testing a promising treatment for a life-threatening illness.
Menopause
Is a stage of the human female reproductive cycle that occurs as the ovaries stop producing estrogen, causing the reproductive system to gradually shut down. As the body adapts to the changing levels of natural hormones, vasomotor symptoms such as hot flashes and palpitations, psychological symptoms such as increased depression, anxiety, irritability, mood swings and lack of concentration, and atrophic symptoms such as vaginal drynes.
Status
Indicated degree of medical urgency for patients awaiting transplants.
Hormones
Biological compounds that communicate information at a distance. Hormones require specific receptors to begin their biological action and use second messengers to initiate the cellular process that uses that information.
Estrogen
A hormone produced in the ovaries that works with progesterone to, among other things, regulate the reproductive cycle.
SIMILAR TERMS--------------------------------------
Endocannabinoid
A marijuana-like substance. Endocannabinoid is abbreviated EC.
Endocardial
Pertaining to the endocardium, the inside lining of the heart.
Endocarditis
A bacterial infection of the heart lining.
Endocarditis (SBE)
An infection of the inner lining of the heart or its valves. It is usually caused by bacteria and is more likely to occur in people who have heart valve defects or have had heart surgery to treat valve disease.
Endocardium
The membrane that covers the inside surface of the heart.
Endocervical curettage
The removal of tissue from the inside of the cervix using a spoon-shaped instrument called a curette.
Endochondral bone
Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the process of calcification. The cartilage is then resorbed (reabsorbed), leaving bone in its place. Many bones are formed this way, particularly the long bones of the arms, legs, and ribs.
Endocrine
Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they travel to affect distant organs. The endocrine sites include the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroids, heart (which makes atrial-natriuretic peptide), the stomach and intestines, islets of Langerhans in the pancreas, the adrenal glands, the kidney (which makes renin, erythropoietin, and calcitriol), fat cells (which make leptin). the testes, the ovarian follicle (estrogens) and the corpus luteum in the ovary). Endocrine is as opposed to exocrine. (The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract.)
Endocrine gland
One of the body's ductless glands from which a hormone is secreted directly into the bloodstream.
Endocrine glands
Glands that are ductless and release their secretions directly into the bloodstream.
Endocrine Glands
Glands that release hormones into the bloodstream. They affect how the body uses food (metabolism). They also influence other body functions. One endocrine gland is the pancreas. It releases insulin so the body can use sugar for energy.
Endocrine hormones
Hormones that are secreted from a discrete gland and then travel through the bloodstream to target tissues.
Endocrine pancreas
The part of the pancreas that produces hormones that govern sugar metabolism. Compare with the exocrine pancreas.
Endocrinologist
A physician trained in diagnosing and treating disorders of hormone-secreting (endocrine) organs. These organs include the thyroid, parathyroid and adrenal glands, the pituitary, the pineal body and the gonads.
Endocrinology
The study of hormones. A more inclusive definition would be the study of biological communications.
Endocrinopathy
Literally, a disease of an endocrine gland. A medical term for a hormone problem. For example, hyperthyroidism, hypothyroidism, etc.
Endocytosis
The process by which extracellular molecules (including hormones) enter a cell.
Endoderm
One of the three primary germ cell layers -- the other two are the mesoderm and ectoderm -- in the very early embryo. The endoderm is the innermost of the three layers. It differentiates to give rise first to the embryonic gut and then to the linings of respiratory and digestive tracts and the liver and pancreas.
Endodermal
Pertaining to the endoderm or to tissues derived from the endoderm.
Endodontist
Specialist who treats injuries, diseases and infections of the tooth pulp (nerve chamber).
Endogenous
Produced from within.
Endometrial ablation
Removal of the lining of the womb. Removing the uterine lining decreases menstrual flow or stops it completely. Ablation means removal or excision, usually surgically. The word comes from the Latin ablatum meaning to carry away.
Endometrial hyperplasia
Abnormal thickening of the endometrium caused by excessive cell growth.
Endometrial implants
Fragments of endometrium that relocate outside of the uterus, such as in the muscular wall of the uterus, ovaries, fallopian tubes, vagina, or intestine, and bleed monthly just as endometrium does in the uterus.
Endometriosis
A condition in which tissue more or less perfectly resembling the uterine mucous membrane (the endometrium) and containing typical endometrial granular and stromal elements occurs aberrantly in various locations in the pelvic cavity.
Endometriosis interna
Also known as adenomyosis this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometriosis uterina
Also known as adenomyosis, this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometritis
Inflammation of the endometrium. The endometrium is the inner layer of the womb (uterus).
Endometrium
The lining of the uterus or womb. Structurally, it is a mucous membrane.
Endonuclease
An enzyme that cleaves a nucleic acid (DNA or RNA) at specific internal sites in the nucleotide base sequence.
Endopeptidase
An enzyme that catalyzes the cleavage of peptide bonds within a polypeptide or protein. Peptidase refers to the fact that it acts on peptide bonds and endopeptidase refers to the fact that these are internal bonds. An exopeptide catalyzes the cleavage of the terminal or penultimate peptide bond, releasing a single amino acid or dipeptide from the peptide chain.
Endophthalmitis
An inflammation involving the internal parts of the eye – i.e., choroid, retina, ciliary body and iris. A very serious condition sometimes seen after an injury to the eye by a foreign object. Vision is severely threatened. Large doses of cortisone and antibiotics are often needed. May lead to the removal of the eye. Must be treated by an eye doctor ASAP.
Endoplasmic reticulum
A network or system of folded membranes and interconnecting tubules distributed within the cytoplasm of eukaryotic cells. The membranes form enclosed or semienclosed spaces. The endoplasmic reticulum functions in storage and transport, and as a point of attachment of ribosomes during protein synthesis.
Endorectal MRI
An MRI (magnetic resonance imaging) done from inside the rectum. To do such as MRI, a surface coil within an inflated latex balloon can be positioned in the rectum. The MRI is read (interpreted) and specific areas of suspicion are identified. The MRI data can be mapped onto a 3-dimensional model to determine strategy.
Endorphins
The general term to refer to all of the body's own endogenous morphinelike substances. In chemical structure, they are neuropeptides. They are active as neurotransmitters and neuromodulators.
Endoscope
A small, flexible tube with a light and a lens on the end. It is used to look into the esophagus, stomach, duodenum, colon, or rectum. It can also be used to take tissue from the body for testing or to take color photographs of the inside of the body. Colonoscopes and sigmoidoscopes are types of endoscopes.
Endoscopic gastrostomy, percutaneous (PEG)
A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on the abdomen). The aim of PEG is to feed those who cannot swallow. PEG may be done by a surgeon, otolaryngologist (ENT specialist), or gastroenterologist (GI specialist). It is done in a hospital or outpatient surgical facility. Local anesthesia (usually lidocaine or another spray) is used to anesthetize the throat. An endoscope (a flexible, lighted instrument) is passed through the mouth, throat and esophagus to the stomach. The surgeon then makes a small incision (cut) in the skin of the abdomen and pushes an intravenous cannula (an IV tube) through the skin into the stomach and sutures (ties) it in place. The patient can usually go home the same day or the next morning. Possible complications include wound infection (as in any kind of surgery) and dislodging or malfunction of the tube. Percutaneous endoscopic gastrostomy may be a mouthful (as a term) but it describes the procedure accurately. A gastrostomy (a surgical opening into the stomach) is made percutaneously (through the skin) using an endoscope to put the feeding tube in place. PEG takes less time, carries less risk and costs less than a classic surgical gastrostomy which requires opening the abdomen.
Endoscopic papillotomy
An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a catheter and a wire to remove gallstones or other blockages. Also called endoscopic sphincterotomy.
Endoscopic retrograde cholangiopancreatography
Abbreviated ERCP. A procedure done to diagnose and treat problems in the liver, gallbladder, bile ducts, and pancreas, including gallstones, inflammatory strictures (scars), leaks (from trauma and surgery), and cancer. ERCP combines the use of x-rays and an endoscope (a long, flexible, lighted tube). Through it, the physician can see the inside of the stomach and duodenum and inject dye into the bile ducts and pancreas so they can be seen on x-ray. ERCP takes 30 minutes to 2 hours. Possible complications of ERCP include pancreatitis (inflammation of the pancreas), infection, bleeding, and perforation of the duodenum.
Endoscopic retrograde cholangiopancreatography (ERCP)
A test using an x-ray to look into the bile and pancreatic ducts. The doctor inserts an endoscope through the mouth into the duodenum and bile ducts. Dye is sent through the tube into the ducts. The dye makes the ducts show up on an x-ray.
Endoscopic Retrograde Cholangiopancreatography (ERCP)
Endoscopic Retrograde Cholangiopancreatography (ERCP) refers to an x-ray examination of the bile ducts which is aided by a fiber-optic endoscope.
Endoscopic sphincterotomy
An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a catheter and a wire to remove gallstones or other blockages. Also called endoscopic papillotomy.
Endoscopic ultrasound
Abbreviated EUS. A procedure that combines endoscopy and ultrasound to obtain images and information about the digestive tract and the surrounding tissue and organs. In EUS a small ultrasound transducer is installed on the tip of the endoscope allowing the transducer to get close to the organs inside the body so the resultant ultrasound images are often more accurate and detailed than ones obtained by traditional ultrasound.
Endoscopy
Procedure in which a lighted viewing instrument (endoscope) is used to look inside a body cavity or organ to diagnose or treat disorders.
Endoscopy, upper
A common type of endoscopy is upper endoscopy, also called esophagogastroduodenoscopy (EGD). In this procedure, a thin flexible instrument is advanced through the mouth to evaluate or treat problems of the esophagus, stomach, and beginning part of the small intestine. Endoscopy itself is a broad term used to described examining the inside of the body using an lighted, flexible instrument called an endoscope. In general, an endoscope is introduced into the body through a natural opening such as the mouth in the case of upper endoscopy.
Endosol extra
Endosol extra is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): calcium chloride; dextrose; glutathione disulfide; magnesium chloride; potassium chloride; sodium bicarbonate; sodium chloride; sodium phosphate.
Endostatin
Endostatin is a piece (a fragment) of a protein, collagen 18, found in all blood vessels. This fragment is normally secreted by tumors. It appears to halt the process of developing new blood vessels (angiogenesis) which is necessary to tumor development. Endostatin may, it is hoped, represent a prototype for a new class of agents with which to treat cancer.
Endothelial
Relating to the endothelium, the layer of flat cells lining the closed spaces of the body such as the inside of blood vessels, lymphatic vessels, the heart, and body cavities. By contrast, the outside layer of cells that covers all the free, open surfaces of the body including the skin and mucous membranes that communicate with the outside of the body is called the epithelium.
Endothelial cells
The cells that line the vascular system. They act as a barrier between the bloodstream and target cells that hormones must pass through in order to reach their receptors and exert their biological action.
Endothelial progenitor cell
A primitive cell made in the bone marrow that can enter the bloodstream and go to areas of blood vessel injury to help repair the damage. The number of endothelial progenitor cells in the blood is a risk factor for vascular disease. Depletion or senescence of endothelial progenitor cells may contribute to blood vessel disease.
Endothelium
The interior surfaces of blood vessels. The endothelium, which is the site of atherosclerosis in arteries, is composed of specialized cells called epithelial cells.
Endotherm
An endotherm is a warm-blooded animal (such as homo sapiens). Another term for us warm-blooded creatures is homeotherm. An endotherm or homeotherm is as opposed to a poikilotherm (an organism such as a frog that is cold-blooded) and a stenotherm (a creature that can only survive only within a very narrow temperature range).
Endotoxemia
Presence in the blood of endotoxins.
Endotracheal intubation
Passage of a tube through the nose or mouth into the trachea for maintenance of the airway during anesthesia or for maintenance of an imperiled airway.
Endotracheal tube
A tube which is inserted in the airway, by ACLS personnel, to provide a secure airway. This is the definitive airway control technique.
Endourologist
An endourologist is a urologist with special expertise in navigating, using endoscopic optical instruments and other tools, inside the kidney, ureter and bladder. Endourologists are specialists in treating diseases of these organs.
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Endochondral bone
Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the process of calcification. The cartilage is then resorbed (reabsorbed), leaving bone in its place. Many bones are formed this way, particularly the long bones of the arms, legs, and ribs.
Endocrine
Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they travel to affect distant organs. The endocrine sites include the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroids, heart (which makes atrial-natriuretic peptide), the stomach and intestines, islets of Langerhans in the pancreas, the adrenal glands, the kidney (which makes renin, erythropoietin, and calcitriol), fat cells (which make leptin). the testes, the ovarian follicle (estrogens) and the corpus luteum in the ovary). Endocrine is as opposed to exocrine. (The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract.)
Endocrinopathy
Literally, a disease of an endocrine gland. A medical term for a hormone problem. For example, hyperthyroidism, hypothyroidism, etc.
Endoderm
One of the three primary germ cell layers -- the other two are the mesoderm and ectoderm -- in the very early embryo. The endoderm is the innermost of the three layers. It differentiates to give rise first to the embryonic gut and then to the linings of respiratory and digestive tracts and the liver and pancreas.
Endodermal
Pertaining to the endoderm or to tissues derived from the endoderm.
Endometrial cancer
Endometriosis interna
Also known as adenomyosis this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometriosis uterina
Also known as adenomyosis, this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium under normal circumstances live adjacent to one another as discrete neighbors. In adenomyosis, the endometrium trespasses upon the myometrium. The myometrium may respond to this intrusion with muscular overgrowth.
Endometritis
Inflammation of the endometrium. The endometrium is the inner layer of the womb (uterus).
Endonuclease
An enzyme that cleaves a nucleic acid (DNA or RNA) at specific internal sites in the nucleotide base sequence.
Endopeptidase
An enzyme that catalyzes the cleavage of peptide bonds within a polypeptide or protein. Peptidase refers to the fact that it acts on peptide bonds and endopeptidase refers to the fact that these are internal bonds. An exopeptide catalyzes the cleavage of the terminal or penultimate peptide bond, releasing a single amino acid or dipeptide from the peptide chain.
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This dictionary contains 19186 terms.
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