| cataphasia | <neurology> A disorder of speech where there is an involuntary repetition several times of the same word. (16 Mar 1998) |
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| cataphora | Saemicoma or somnolence interrupted by intervals of partial consciousness. Origin: G. A falling down (05 Mar 2000) |
| cataphoresis | Movement of positively charged particles (cations) in a solution or suspension toward the cathode in electrophoresis. Compare: anaphoresis. Origin: cata-+ G. Phoresis, a being carried (05 Mar 2000) |
| cataphoretic | Relating to cataphoresis. (05 Mar 2000) |
| cataphyll | <plant biology> A scale leaf associated with a vegetative part of a plant, for example: a rhizome. (16 Mar 1998) |
| cataphyllary leave | <botany> Rudimentary or scale-like leaves which act as a covering of buds. (16 Mar 1998) |
| cataplasia | Cataplasis A degenerative change in cells or tissues that is the reverse of the constructive or developmental change; a return to an earlier or embryonic stage. Synonym: retrograde metamorphosis, retrogression, retromorphosis. Origin: cata-+ G. Plasis, a molding (05 Mar 2000) |
| cataplasm | Synonym: poultice. Origin: G. Kataplasma, poultice, fr. Kataplasso, to spread over (05 Mar 2000) |
| cataplectic | 1. Developing suddenly. 2. Pertaining to cataplexy. (05 Mar 2000) |
| cataplexy | <neurology, psychiatry> A sudden loss of muscle tone that may be induced by severe mental shock or as an additional feature of narcolepsy. (16 Mar 1998) |
| cataract | <ophthalmology> An ocular opacity, partial or complete, of one or both eyes, on or in the lens or capsule, especially an opacity impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or aetiology (cause and time of occurrence). Origin: L. Cataracta, from Gr. Katarraktes = waterfall, floodgate, portcullis (18 Nov 1997) |
| cataract extraction | <ophthalmology> The surgical removal of a cataract from the eye to improve vision. An artificial intraocular lens may then be implanted. Approximately 10 weeks are required for complete recovery and healing. (16 Mar 1998) |
| cataract lens | Any lens prescribed for aphakia. (05 Mar 2000) |
| cataract needle | A very narrow, needle-pointed knife used in discission of a cataract. Synonym: cataract needle. (05 Mar 2000) |
| cataract spoon | A small concave instrument for removing a cataractous lens. (05 Mar 2000) |