Category: C
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Comorbid
Two or more existing medical conditions. It pertains to a medical condition or disorder that manifests concurrently with another pathological state.
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Commissurotomy
Surgical incision of component parts at the sites of junction between adjacent cusps of the heart valves to increase the size of the opening. Surgical division of a heart valve due to ventricular hypertrophy. Surgical incision of any commissure; used, for example, to treat mitral stenosis to increase the size of the mitral orifice. This…
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Colposcopy
Examination of the vagina and cervix with an optical magnifying instrument frequently associated with biopsy of the cervix. The use of a colposcope to view the cervix for abnormalities in tissue growth. An examination of the inside of the vagina. Visual examination of the upper vagina-cervix through a special instrument (colposcope). Visual examination of the…
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Colporrhaphy
A surgical operation to stitch a prolapsed vagina. Stitching of the vagina (by pleating) in order to reduce its laxity in cases of prolapse of the bladder (anterior colporrhaphy) or rectum (posterior colporrhaphy). An operation designed to strengthen the pelvic floor in cases of prolapse of the uterus. The surgeon excises redundant tissue from the…
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Closed reduction
The nonsurgical manipulative reduction of a dislocation or fracture. In cases of fracture, repositioning the broken bones by manipulating them through the skin, without surgery. Medical procedure in which manual manipulation of a displaced fracture is performed so that the bone ends meet to re-establish alignment.
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Clonic
Pertaining to increased reflex activity. Referring to clonus. Alternating muscular contraction and relaxation; often used to describe seizure activity. A word applied to short spasmodic movements. In the realm of muscular physiology, clonus denotes the occurrence of swift and repetitive spasms followed by periods of relaxation within a specific muscle. Clonus, a phenomenon characterized by…
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Clean-catch urine specimen
A urine specimen obtained by cleaning the genitalia and then capturing a midstream urine sample for laboratory analysis.
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Circumoral cyanosis
A bluish discoloration around the mouth. Bluish-gray discoloration around the mouth from abnormally low levels of oxygen and abnormally high levels of carbon dioxide in the tissues.
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Circadian rhythm
The biologic clock in humans; the rhythmic repetition of certain phenomena, such as hunger, fatigue, and changes in blood pressure, that tend to fluctuate within a 24-hour period. The fixed pattern of changes in basic body processes during a 24-h period. Physical biorhythms affecting events including body temperature, endocrine function, and sleep cycle. The occurrence…
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Cicatricial
Refers to a scar or the nature of a scar.