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| This glossary contains: 19186 medical terms |
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Anal fistula
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Anal fistula A channel that develops between the anus and the skin. Most fistulas are the result of an abscess (infection) that spreads to the skin.
RELATED TERMS--------------------------------------
Anus
The opening at the end of the rectum of the alimentary canal through which feces are discharged. The anus has erotosexual potential in both sexes.
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Abscess
An infection of a tooth, soft tissue or bone
SIMILAR TERMS--------------------------------------
Anal atresia
Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus. Occurs in about 1 in 5,000 births. It is corrected by surgery.
Anal cancer
Colorectal cancer includes cancerous growths in the colon, rectum and appendix.It is the third most common form of cancer and the second leading cause of death among cancers in the Western world. Many colorectal cancers are thought to arise from polyps in the colon. These mushroom-like growths are usually benign, but some may develop into cancer over time. Diagnosis is by colonoscopy. Therapy is usually through surgery, with many cases also requiring chemotherapy.
Anal fissure
A small tear in the anus that may cause itching, pain, or bleeding.
Anal incontinence
"Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters. This failure results in the untimely passage of feces and gas.There are many causes of anal incontinence, including congenital disorders of the spinal cord or anus; subsequent injuries to the rectum and anus; obstetric injuries during delivery; injury of the spinal cord; diabetic neuropathy (nerve damage); advanced Alzheimer disease or other forms of dementia; fecal impaction; and tumors. Also called rectal or fecal incontinence."
Anal papilla
A skin tag that projects up from the junction between the skin and the inside lining of the anus. Anal papillae tend to occur with anal fissures and may be detected on a digital examination of the anus or with a scope. Removal is only necessary if the anal papillae are causing symptoms.
Anal papillae
The plural of anal papilla. See: Anal papilla.
Anal stage
The period of pregenital psychosexual development, usually from 1 to 3 years, in which the child has particular interest and concern with the process of defecation and the sensations connected with the anus. The pleasurable part of the experience is termed anal eroticism.
Analbuminemia
1. Properly, an absence of albumin from the blood. 2. More loosely, a low level of albumin in the blood. Synonymous in this usage with hypoalbuminemia.
Analgesia
A state of pain relief; an agent lessening pain.
Analgesic
drug that relieves pain. With an effective analgesic, there is an inability to feel pain while still conscious. From the Greek an-, without + algesis, sense of pain.
Analgesic drug
A drug designed to control pain. Analgesic comes from the Greek an-, without + algesis, sense of pain = without a sense of pain.
Analingus
In sexology, stimulation of the anus with tongue and lips, not a paraphilia, but may be part of normophilic sexuoerotic activity as well as part of the sadomasochistic repertory.
Analism
A sexuoerotic interest in stimulation of the anus; not necessarily a paraphilia. With sexuoerotic potential in both sexes, the anus may be stimulated orally in analingus, digitally or with dildoes, through enemas in klismaphilia, and is used to receive the penis in anal intercourse, and the fist in brachioproctic eroticism or "fisting".
Analog
In biochemistry, a substance that is similar, but not identical, to another.
Analogous
In anatomy, similar in appearance or function but otherwise different. Two structures may be analogous if they serve the same purpose but differ evolutionary in origin as, for example, human and insect legs. As compared to homologous.
Analysis
A psychology term for processes used to gain understanding of complex emotional or behavioral issues.
Analysis, linkage
"Study aimed at establishing linkage between genes. Today linkage analysis serves as a way of gene-hunting and genetic testing. Linkage is the tendency for genes and other genetic markers to be inherited together because of their location near one another on the same chromosome. A gene is a functional physical unit of heredity that can be passed from parent to child. All genes in humans are pieces of DNA. Most genes contain information for making a specific protein. The term ""genetic marker"" is broader than a gene. A genetic marker is simply a segment of DNA with an identifiable physical location on a chromosome whose inheritance can be followed. A genetic marker can have a function and thus be a gene. Or a marker can be a section of DNA with no known function.Because DNA segments that lie near each other on a chromosome tend to be inherited together, markers are often used as tools for tracking the inheritance pattern of a gene that has not yet been identified but whose approximate location is known. The statistical estimate of whether two loci are likely to lie near each other on a chromosome and are therefore likely to be inherited together is called a LOD score. A LOD score of 3 or more is generally taken to indicate that the two loci are linked and are close to one another."
Analytic sensitivity
The lowest level of a substance that can be detected by an analytic method.
Analytic specificity
How well an assay detects only a specific substance and does not detect closely related substances.
PREVIOUS AND NEXT TERMS--------------------------------------
Allodynia
Pain due to a stimulus that does not normally provoke pain.
Allogeneic transplantation
To transfer a tissue or organ genetically different although belonging to or obtained from the same species.
Amniotic fluid
Clear liquid that surrounds and protects the fetus throughout pregnancy.
Amyotrophic lateral sclerosis (ALS)
A terminal neurological disorder characterized by progressive degeneration of motor cells in the spinal cord and brain. It is often referred to as "Lou Gehrig's disease."
Anal fissure
A small tear in the anus that may cause itching, pain, or bleeding.
Anal fistula
Anastomosis
An operation to connect two body parts. An example is an operation in which a part of the colon is removed and the two remaining ends are rejoined.
Anatomical
1. Concerned with anatomy. 2. Concerned with dissection. 3. Related to the structure of an organism.
Anesthesiology
The medical study and application of pain-killing medication.
Anesthetic
An agent that causes loss of sensation with or without the loss of consciousness.
Angina pectoris
Also called angina. Recurring chest pain or discomfort that happens when some part of the heart does not receive enough blood.
RELATED TERMS--------------------------------------
Anus
The opening at the end of the rectum of the alimentary canal through which feces are discharged. The anus has erotosexual potential in both sexes.
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Abscess
An infection of a tooth, soft tissue or bone
SIMILAR TERMS--------------------------------------
Anal atresia
Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus. Occurs in about 1 in 5,000 births. It is corrected by surgery.
Anal cancer
Colorectal cancer includes cancerous growths in the colon, rectum and appendix.It is the third most common form of cancer and the second leading cause of death among cancers in the Western world. Many colorectal cancers are thought to arise from polyps in the colon. These mushroom-like growths are usually benign, but some may develop into cancer over time. Diagnosis is by colonoscopy. Therapy is usually through surgery, with many cases also requiring chemotherapy.
Anal fissure
A small tear in the anus that may cause itching, pain, or bleeding.
Anal incontinence
"Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters. This failure results in the untimely passage of feces and gas.There are many causes of anal incontinence, including congenital disorders of the spinal cord or anus; subsequent injuries to the rectum and anus; obstetric injuries during delivery; injury of the spinal cord; diabetic neuropathy (nerve damage); advanced Alzheimer disease or other forms of dementia; fecal impaction; and tumors. Also called rectal or fecal incontinence."
Anal papilla
A skin tag that projects up from the junction between the skin and the inside lining of the anus. Anal papillae tend to occur with anal fissures and may be detected on a digital examination of the anus or with a scope. Removal is only necessary if the anal papillae are causing symptoms.
Anal papillae
The plural of anal papilla. See: Anal papilla.
Anal stage
The period of pregenital psychosexual development, usually from 1 to 3 years, in which the child has particular interest and concern with the process of defecation and the sensations connected with the anus. The pleasurable part of the experience is termed anal eroticism.
Analbuminemia
1. Properly, an absence of albumin from the blood. 2. More loosely, a low level of albumin in the blood. Synonymous in this usage with hypoalbuminemia.
Analgesia
A state of pain relief; an agent lessening pain.
Analgesic
drug that relieves pain. With an effective analgesic, there is an inability to feel pain while still conscious. From the Greek an-, without + algesis, sense of pain.
Analgesic drug
A drug designed to control pain. Analgesic comes from the Greek an-, without + algesis, sense of pain = without a sense of pain.
Analingus
In sexology, stimulation of the anus with tongue and lips, not a paraphilia, but may be part of normophilic sexuoerotic activity as well as part of the sadomasochistic repertory.
Analism
A sexuoerotic interest in stimulation of the anus; not necessarily a paraphilia. With sexuoerotic potential in both sexes, the anus may be stimulated orally in analingus, digitally or with dildoes, through enemas in klismaphilia, and is used to receive the penis in anal intercourse, and the fist in brachioproctic eroticism or "fisting".
Analog
In biochemistry, a substance that is similar, but not identical, to another.
Analogous
In anatomy, similar in appearance or function but otherwise different. Two structures may be analogous if they serve the same purpose but differ evolutionary in origin as, for example, human and insect legs. As compared to homologous.
Analysis
A psychology term for processes used to gain understanding of complex emotional or behavioral issues.
Analysis, linkage
"Study aimed at establishing linkage between genes. Today linkage analysis serves as a way of gene-hunting and genetic testing. Linkage is the tendency for genes and other genetic markers to be inherited together because of their location near one another on the same chromosome. A gene is a functional physical unit of heredity that can be passed from parent to child. All genes in humans are pieces of DNA. Most genes contain information for making a specific protein. The term ""genetic marker"" is broader than a gene. A genetic marker is simply a segment of DNA with an identifiable physical location on a chromosome whose inheritance can be followed. A genetic marker can have a function and thus be a gene. Or a marker can be a section of DNA with no known function.Because DNA segments that lie near each other on a chromosome tend to be inherited together, markers are often used as tools for tracking the inheritance pattern of a gene that has not yet been identified but whose approximate location is known. The statistical estimate of whether two loci are likely to lie near each other on a chromosome and are therefore likely to be inherited together is called a LOD score. A LOD score of 3 or more is generally taken to indicate that the two loci are linked and are close to one another."
Analytic sensitivity
The lowest level of a substance that can be detected by an analytic method.
Analytic specificity
How well an assay detects only a specific substance and does not detect closely related substances.
PREVIOUS AND NEXT TERMS--------------------------------------
Allodynia
Pain due to a stimulus that does not normally provoke pain.
Allogeneic transplantation
To transfer a tissue or organ genetically different although belonging to or obtained from the same species.
Amniotic fluid
Clear liquid that surrounds and protects the fetus throughout pregnancy.
Amyotrophic lateral sclerosis (ALS)
A terminal neurological disorder characterized by progressive degeneration of motor cells in the spinal cord and brain. It is often referred to as "Lou Gehrig's disease."
Anal fissure
A small tear in the anus that may cause itching, pain, or bleeding.
Anal fistula
Anastomosis
An operation to connect two body parts. An example is an operation in which a part of the colon is removed and the two remaining ends are rejoined.
Anatomical
1. Concerned with anatomy. 2. Concerned with dissection. 3. Related to the structure of an organism.
Anesthesiology
The medical study and application of pain-killing medication.
Anesthetic
An agent that causes loss of sensation with or without the loss of consciousness.
Angina pectoris
Also called angina. Recurring chest pain or discomfort that happens when some part of the heart does not receive enough blood.
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This dictionary contains 19186 terms.
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