Category: G
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Gemistocyte
In the central nervous system, a swollen astrocyte with an eccentric nucleus, seen adjacent to areas of edema or infarct.
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Gemella morbillorum
A gram-positive coccus formerly classified in the genus Streptococcus; it is a cause of septic arthritis, endocarditis, oral abscesses, and peritonitis.
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Gelosis
A hard lump that is so firm as to appear frozen. It occurs especially in muscle tissue.
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Gelling
In arthritis, becoming stiff and fixed in any position in which movement does not occur for a prolonged period.
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Gelation
The transformation of a colloid from a sol into a gel.
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Gelatinase
Metalloproteinases that cleave gelatin, or nondenatured collagen. Two forms of gelatinase, A and B, have been identified. Gelatinase A (MMP-2) has a molecular weight of about 72,000, and gelatinase B (MMP-9) has a molecular weight of about 92,000. Both are involved in cancer angiogenesis and metastasis and are blocked by a variety of naturally occurring…
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Gaze
To look or stare intently in one direction.
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Gay bowel syndrome
Infectious diarrhea, condyloma acuminata, hemor rhoids, anal fissures, and/or sexually transmitted proctitis in men who have receptive anal intercourse, especially those infected with the human immunodeficiency virus.
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Gauss sign
An unusual mobility of the uterus in the early weeks of pregnancy.
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Gauntlet
A glovelike bandage that fits the hand and fingers.