Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
-
Casting, serial
Casting, serial: The use of successive casts to
reshape deformed or spastic limbs....
-
Castleman disease
Castleman's disease: A disorder of lymphoid tissue (lymphadenopathy) with massive overgrowth (hyperplasia) of lymph nodes ("swollen glands"), most commonly affecting the nodes between the lungs (in the mediastinum).
There are two quite different forms of Castleman's disease. One form, found in 90%...
-
Castration
Castration: Removal of the sex glands, usually
used to indicate removal of the male testicles....
-
Cat cry syndrome
Cat cry syndrome: A disorder caused by the loss of part of the short (p) arm from chromosome 5. Also called the cri du chat (or cri-du-chat) syndrome.
The cat cry syndrome is one of the most common human deletion syndromes with an incidence varying between 1 in 20,000 to 1 in 50,000 births. The freq...
-
Cat eye syndrome
Cat eye syndrome: A constitutional chromosome abnormality (one that is present at or before birth) with multiple malformations characterized by the combination of a cat-like slit of the iris of the eye (vertical coloboma) and no anal opening (anal atresia). Frequently there are also down slanting ey...
-
CAT scan
CAT scan: Pictures of structures within the body created
by a computer that takes the data from multiple X-ray images and
turns them in pictures on a screen. The CAT (computerized axial
tomography) scan can reveal some soft-tissue and other structures
that cannot even be seen in conventional X-...
-
CAT scan, helical
CAT scan, helical: A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed, three-dimensional images of the internal organs and structures of the body. ...
-
CAT scan, spiral
CAT scan, spiral: A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed, three-dimensional images of the internal organs and structures of the body. A...
-
Cat scratch disease
Cat scratch disease: A bacterial
infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat,
fatigue, and fever, chills, sweats, vomiting, loss of appetite, and weight loss. There is usual...
-
Cat scratch fever
Cat scratch fever: A bacterial
infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat,
fatigue, and fever, chills, sweats, vomiting, loss of appetite, and weight loss. There is usually a...
-
Catabolism
Catabolism: The energy-burning aspect of
metabolism....
-
Catalepsy
Catalepsy: The state of persisting in unusual
postures or facial expressions, regardless of outside
stimuli, as is seen in schizophrenia and some other
diseases of the nervous system....
-
Catalysis
Catalysis: The process by which a substance speeds up a chemical reaction without being consumed or altered in the process. Substances that can accomplish this remarkable feat are termed catalysts and are of immense importance in chemistry and biology.
All enzymes are catalysts that expedite the bi...
-
Catalyst
Catalyst: A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are of immense importance in chemistry and biology.
All enzymes are catalysts that expedite the biochemical reactions necessary for life. The enzymes in saliva, for example, accelerate ...
-
Catamenia
Catamenia: Menstruation....
