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| This glossary contains: 19186 medical terms |
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Circumcision
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Circumcision The surgical removal of the sheath of skin (called a foreskin) that covers the head of the penis.
RELATED TERMS--------------------------------------
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).
Penis
The male sex organ, which consists of a head called glans, and the shaft or body. At the tip of the glans is the urethral opening, through which urine and semen leave the body. The shaft or the body of the penis is made of spongy tissue and blood vessels. And it fills with blood an grows in size (becomes erect) during sexual excitement.
SIMILAR TERMS--------------------------------------
Circadian
Fluctuating regularly on a time basis usually entrained to a metabolic, endocrine, neurochemical, light-dark, temperature, or seasonal cycle (see also diurnal, ultradian). There are very fast biorhythm cycles such as in the EEG and ECG, a 90-minute cycle seen in REM-NREM sleep or in waking attentive/alert-drowsy/inattentive swing, a twice daily body temperature peak and slump. a 24-hour ACTH cycle, a monthly menstrual cycle, and possibly longer seasonal cycles not yet thoroughly described.
Circadian rhythm
Biological timing and rhythmicity that, in humans, is characterised by cycles of approximately 24 hours. Synonym: biological clock.
Circanol
Circanol 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): ergoloid mesylates.
Circle of Willis
An arterial circle at the base of the brain that is of critical importance. The circle of Willis receives all the blood that is pumped up the two internal carotid arteries that come up the front of the neck and that is pumped from the basilar artery formed by the union of the two vertebral arteries that come up the back of the neck. All the principal arteries that supply cerebral hemispheres of the brain branch off from the circle of Willis.
Circular breathing
Inhaling through the nose and inflating the cheeks and neck with air at the same time.Some saxophone players do circular breathing; this may not be a safe practice since it may reduce blood flow to the brain.
Circulation
The flow of blood through the body. Includes the heart, arteries, veins and capillaries.
Circulation, fetal
The blood circulation in the fetus (the unborn baby). Before birth, the blood from the heart that is destined (in the pulmonary artery) for the lungs is shunted away from the lungs and returned to the greatest of arteries (the aorta). The shunt is through a short vessel called the ductus arteriosus. When this shunt is open, it is said to be a patent (pronounced pá tent) ductus arteriosus (PDA). The PDA usually closes at or shortly after birth and blood is permitted to course freely to the lungs.
Circulatory
Having to do with the circulation, the movement of fluid in a regular or circuitous course. Although the adjective "circulatory" need not necessarily refer to the circulation of the blood, for all practical purposes today it does. A circulatory problem is taken usually to be a problem with the blood circulation, for example with heart failure.
Circulatory system
Pertaining to the heart and blood vessels, and the circulation of blood.
Circum-
Prefix meaning around, surrounding, or encircling. As in circumcision, circumflex, and circumjacent. From the Latin preposition circum meaning round.
Circumflex
Curved like a bow. In anatomy, circumflex describes a structure that bends around like a bow. For example, the circumflex branch of the left coronary artery.
Circumscribed
Having a border, localized. Often associated with a capsule and benign tumors of the brain, for example, meningiomas, pituitary adenomas and acoustic neuromas. See diffuse.
Circumstantiality
Pattern of speech that is indirect and delayed in reaching its goal because of excessive or irrelevant detail or parenthetical remarks. The speaker does not lose the point, as is characteristic of loosening of associations, and clauses remain logically connected, but to the listener it seems that the end will never be reached.
PREVIOUS AND NEXT TERMS--------------------------------------
Cervicitis
An inflammation of the cervix, cervicitis can be caused a bacterial or viral infection or irritation of the cervix during childbirth or surgery. Symptoms include an abonormal discharge, pain, or spotting.
Cesarean section
A surgical procedure in which a baby is delivered through an incision in the abdomen and uterus. Used when a woman can't give birth vaginally or if the baby is in distress.
Chicken pox
A mild, highly contagious virus characterized by itchy fluid-filled blisters all over the body that can lead to complications if the blisters become infected. A vaccine is available.
Chromosomal abnormalities
A problem with the chromosomes - either inherited or caused by a mutation - that leads to disorders such as Down syndrome. An estimated half of all first-trimester miscarriages are due to chromosomal abnormalities too severe for the fetus to live.
Chronic
Ongoing or recurring. Chronic medical conditions include diabetes, epilepsy, and chronic fatigue syndrome.
Circumcision
Cleft lip and palate
A birth defect in which the lip or the lip and palate (roof of the mouth) do not grow together. Can be repaired with surgery, usually performed within the first year after birth.
Club foot
A birth defect in which the foot or ankle is deformed. Twice as common in boys, and affecting one in every 400 births, club foot is treated with exercises, splinting, or, in severe cases, surgery.
Clubfoot
A congenital deformed or distorted foot. May respond to exercises and/or surgery.
Co-parent
A person who shares parenting responsibilities for a child, such as a stepparent or unmarried partner.
Cognitive development
The development of the brain and its functions -- including perception, memory, and knowledge.
RELATED TERMS--------------------------------------
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).
Penis
The male sex organ, which consists of a head called glans, and the shaft or body. At the tip of the glans is the urethral opening, through which urine and semen leave the body. The shaft or the body of the penis is made of spongy tissue and blood vessels. And it fills with blood an grows in size (becomes erect) during sexual excitement.
SIMILAR TERMS--------------------------------------
Circadian
Fluctuating regularly on a time basis usually entrained to a metabolic, endocrine, neurochemical, light-dark, temperature, or seasonal cycle (see also diurnal, ultradian). There are very fast biorhythm cycles such as in the EEG and ECG, a 90-minute cycle seen in REM-NREM sleep or in waking attentive/alert-drowsy/inattentive swing, a twice daily body temperature peak and slump. a 24-hour ACTH cycle, a monthly menstrual cycle, and possibly longer seasonal cycles not yet thoroughly described.
Circadian rhythm
Biological timing and rhythmicity that, in humans, is characterised by cycles of approximately 24 hours. Synonym: biological clock.
Circanol
Circanol 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): ergoloid mesylates.
Circle of Willis
An arterial circle at the base of the brain that is of critical importance. The circle of Willis receives all the blood that is pumped up the two internal carotid arteries that come up the front of the neck and that is pumped from the basilar artery formed by the union of the two vertebral arteries that come up the back of the neck. All the principal arteries that supply cerebral hemispheres of the brain branch off from the circle of Willis.
Circular breathing
Inhaling through the nose and inflating the cheeks and neck with air at the same time.Some saxophone players do circular breathing; this may not be a safe practice since it may reduce blood flow to the brain.
Circulation
The flow of blood through the body. Includes the heart, arteries, veins and capillaries.
Circulation, fetal
The blood circulation in the fetus (the unborn baby). Before birth, the blood from the heart that is destined (in the pulmonary artery) for the lungs is shunted away from the lungs and returned to the greatest of arteries (the aorta). The shunt is through a short vessel called the ductus arteriosus. When this shunt is open, it is said to be a patent (pronounced pá tent) ductus arteriosus (PDA). The PDA usually closes at or shortly after birth and blood is permitted to course freely to the lungs.
Circulatory
Having to do with the circulation, the movement of fluid in a regular or circuitous course. Although the adjective "circulatory" need not necessarily refer to the circulation of the blood, for all practical purposes today it does. A circulatory problem is taken usually to be a problem with the blood circulation, for example with heart failure.
Circulatory system
Pertaining to the heart and blood vessels, and the circulation of blood.
Circum-
Prefix meaning around, surrounding, or encircling. As in circumcision, circumflex, and circumjacent. From the Latin preposition circum meaning round.
Circumflex
Curved like a bow. In anatomy, circumflex describes a structure that bends around like a bow. For example, the circumflex branch of the left coronary artery.
Circumscribed
Having a border, localized. Often associated with a capsule and benign tumors of the brain, for example, meningiomas, pituitary adenomas and acoustic neuromas. See diffuse.
Circumstantiality
Pattern of speech that is indirect and delayed in reaching its goal because of excessive or irrelevant detail or parenthetical remarks. The speaker does not lose the point, as is characteristic of loosening of associations, and clauses remain logically connected, but to the listener it seems that the end will never be reached.
PREVIOUS AND NEXT TERMS--------------------------------------
Cervicitis
An inflammation of the cervix, cervicitis can be caused a bacterial or viral infection or irritation of the cervix during childbirth or surgery. Symptoms include an abonormal discharge, pain, or spotting.
Cesarean section
A surgical procedure in which a baby is delivered through an incision in the abdomen and uterus. Used when a woman can't give birth vaginally or if the baby is in distress.
Chicken pox
A mild, highly contagious virus characterized by itchy fluid-filled blisters all over the body that can lead to complications if the blisters become infected. A vaccine is available.
Chromosomal abnormalities
A problem with the chromosomes - either inherited or caused by a mutation - that leads to disorders such as Down syndrome. An estimated half of all first-trimester miscarriages are due to chromosomal abnormalities too severe for the fetus to live.
Chronic
Ongoing or recurring. Chronic medical conditions include diabetes, epilepsy, and chronic fatigue syndrome.
Circumcision
Cleft lip and palate
A birth defect in which the lip or the lip and palate (roof of the mouth) do not grow together. Can be repaired with surgery, usually performed within the first year after birth.
Club foot
A birth defect in which the foot or ankle is deformed. Twice as common in boys, and affecting one in every 400 births, club foot is treated with exercises, splinting, or, in severe cases, surgery.
Clubfoot
A congenital deformed or distorted foot. May respond to exercises and/or surgery.
Co-parent
A person who shares parenting responsibilities for a child, such as a stepparent or unmarried partner.
Cognitive development
The development of the brain and its functions -- including perception, memory, and knowledge.
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This dictionary contains 19186 terms.
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