Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
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Central core disease
Central core disease: See: Central core disease of muscle....
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Central core disease of muscle
Central core disease of muscle: One of the
conditions that produces 'floppy baby' syndrome. CCD causes hypotonia
(floppiness) in the newborn baby, slowly progressive muscle weakness, and muscle cramps
after exercise. Muscle biopsy shows a key diagnostic finding (absent mitochondria in the
center o...
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Central fovea
Central fovea: See: Fovea. ...
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Central line
Central line: A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to
the heart) or in the right atrium of the heart.
Central lines have a number of different uses. A central line allows concentrated solutions t...
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Central nervous system (CNS)
Central nervous system (CNS): The central nervous
system is that part of the nervous system that consists of the brain
and spinal cord.
The central nervous system (CNS) is one of the two major divisions
of the nervous system. The other is the peripheral nervous system
(PNS) which is outside the...
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Central nervous system, spongy degeneration of the
Central nervous system, spongy degeneration of the : Also called Canavan disease, this is a severe progressive fatal inherited (genetic) disorder of the central nervous system (CNS).
The signs of Canavan disease usually appear when the children are between 3 and 6 months of age. They include develo...
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Central retinal artery
Central retinal artery: The blood vessel that carries blood into the eye and supplies nutrition to the retina.
The counterpart to the central retinal artery is the central retinal vein, the vessel that carries blood away from the retina....
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Central retinal vein
Central retinal vein: The blood vessel that carries blood away from the retina of the eye.
The counterpart to the central retinal vein is the central retinal artery, the blood vessel that carries blood into the eye and supplies nutrition to the retina....
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Central venous catheter
Central venous catheter: See: Catheter, central venous....
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Central venous line
Central venous line: A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to
the heart) or in the right atrium of the heart.
Central venous lines have a number of different uses. A central venous line allows con...
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Central vision
Central vision: Straight-ahead vision. Central vision is the work of the macula, a small area in the center of the retina that contains a rich collection of cones. (The retina is made up of two types of cells, the cones and the rods. Millions of cones are packed into the macula. The cones are nerve ...
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Centrencephalic seizure
Centrencephalic seizure: See: Grand mal....
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Centric-fusion translocation
Centric-fusion translocation: A type of chromosome rearrangement, also called a Robertsonian translocation, in which there is fusion of an entire long arm of one acrocentric chromosome with a similarly intact long arm of another acrocentric chromosome. The short arms of the chromosomes participating...
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Centromere
Centromere: The cinched "waist" of the chromosome essential for the division and the retention of the chromosome in the cell. The centromere is a uniquely specialized region of the chromosome to which spindle fibers attach during cell division.
The human centromere contains a 3-million-base stretch ...
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CEPH
CEPH: The Centre d'Etudes du Polymorphisme Humain
(CEPH), an internationally renowned research laboratory created in Paris in 1984 by
Professor Jean Dausset (Nobel Prize, Medicine and Physiology, 1980) to provide the
scientific community with resources for human genome mapping. Also known as the Fou...