Cataplexy. Cataleptic Attacks . Attack, Cataleptic . Attacks, Cataleptic . Cataleptic Attack . Syndrome, Henneberg . Syndrome, Tonelessness . Syndromes, Tonelessness . Tonelessness Syndromes . Henneberg Syndrome . Status Cataplexicus . Tonelessness Syndrome . A condition characterized by transient weakness or paralysis of somatic musculature triggered by an emotional stimulus or physical exertion. Cataplexy is frequently associated with NARCOLEPSY. During a cataplectic attack, there is a marked reduction in muscle tone similar to the normal physiologic hypotonia that accompanies rapid eye movement sleep (SLEEP, REM). (From Adams et al., Principles of Neurology, 6th ed, p396) . 0.53
Catalase. Catalase A . Catalase T . Manganese Catalase . Mn Catalase . An oxidoreductase that catalyzes the conversion of HYDROGEN PEROXIDE to water and oxygen. It is present in many animal cells. A deficiency of this enzyme results in ACATALASIA. . 0.50
Cataract. Cataracts . Cataracts, Membranous . Lens Opacity . Membranous Cataract . Membranous Cataracts . Opacities, Lens . Opacity, Lens . Pseudoaphakias . Lens Opacities . Cataract, Membranous . Pseudoaphakia . Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed) . 0.49
Common Cold. Catarrh . Acute Coryza . Catarrhs . Colds, Common . Common Colds . Cold, Common . Coryza, Acute . A catarrhal disorder of the upper respiratory tract, which may be viral or a mixed infection. It generally involves a runny nose, nasal congestion, and sneezing. . 0.49
Catha. Catha edulis . Mairungi . Miraa . Qat Plant . Catha eduli . Cathas . Khats . Mairungus . Miraas . Plant, Qat . Plants, Qat . Qat Plants . edulis, Catha . Khat 23483 . A plant genus of the family CELASTRACEAE. The leafy stems of khat are chewed by some individuals for stimulating effect. Members contain ((+)-norpseudoephedrine), cathionine, cathedulin, cathinine & cathidine. . 0.48
Catalogs. Catalogs [Publication Type] . Works consisting of bibliographic records, created according to specific and uniform principles of construction and under the control of an authority file, which describe the materials contained in a collection, library, or group of libraries. Catalogs include also lists of materials prepared for a particular purpose, such as exhibition catalogs, sales catalogs, garden catalogs, medical supply catalogs. (From The ALA Glossary of Library and Information Sciences, 1983) . 0.46