| ataxic | <medicine> Characterised by ataxy, that is, by great irregularity of functions or symptoms, or by a want of coordinating power in movements. Ataxic fever, malignant typhus fever. Origin: Cf. F. Ataxique. See Ataxia. Source: Websters Dictionary (01 Mar 1998) |
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| ataxic abasia | Difficulty in walking due to ataxia of the legs. (05 Mar 2000) |
| ataxic aphasia | A type of aphasia in which there is a deficit in speech production or language output, often accompanied by a deficit in communicating by writing, signs, etc. The patient is aware of his impairment. Synonym: anterior aphasia, ataxic aphasia, Broca's aphasia, expressive aphasia, nonfluent aphasia. (05 Mar 2000) |
| ataxic breathing | Completely irregular breathing pattern, with continually variable rate and depth of breathing; results from lesions in the respiratory centres in the brainstem, extending from the dorsomedial medulla caudally to the obex. Synonym: ataxic breathing, Biot's breathing, respiratory ataxia. (05 Mar 2000) |
| ataxic dysarthria | Dysarthria caused by cerebellar lesions. (05 Mar 2000) |
| ataxic gait | <neurology> Walking that is clumsy, uncoordinated. (16 Dec 1997) |
| ataxic paramyotonia | A disorder characterised by a tonic muscular spasm on attempted movement, associated with slight paresis and ataxia. (05 Mar 2000) |
| ataxic paraplegia | Progressive ataxia and paresis of the leg muscles due to sclerosis of the lateral and posterior funiculi of the spinal cord. (05 Mar 2000) |
| ataxic tremor | <neurology> A tremor which arises or which is intensified when a voluntary, coordinated movement is attempted. (18 Nov 1997) |
| ataxiophemia | Incoordination of the muscles concerned in speech production. Origin: G. A-priv. + taxis, order, + pheme, voice, speech (05 Mar 2000) |
| ataxiophobia | <psychology> Morbid dread of disorder or untidiness. Origin: G. A-priv. + taxis, order, + phobos, fear (05 Mar 2000) |
| ataxy | 1. Disorder; irregularity. 2. <medicine> Irregularity in disease, or in the functions. The state of disorder that characterises nervous fevers and the nervous condition. Locomotor ataxia. See Locomotor. Origin: NL. Ataxia, Gr, fr. Out of order; priv. + ordered, arranged, to put in order: cf. F. Ataxie. Source: Websters Dictionary (01 Mar 1998) |
| atazir | <astronomy> The influence of a star upon other stars or upon men. Origin: OF, fr. Ar. Al-tasir influence. Source: Websters Dictionary (01 Mar 1998) |
| ATCC | American Type Culture Collection ( a key resource for cultured cells, located in Rockville, MD). (12 Dec 1998) |
| atebrine hydrochloride | An acridine derivative, C23H30ClN3O-2HCl-2H2O, used as an antimalarial that destroys the trophozoites of Plasmodium vivax and P. Falciparum, but does not affect the gametocytes, sporozoites, or exoerythrocytic stage of parasites; also used as an anthelmintic. As a dihydrochloride, it is used as a stain in cytogenetics to demonstrate Y chromatin by fluorescent microscopy. Quinacrine hydrochloride intercalates with DNA and also uncouples oxidative and photophosphorylation. Synonym: atebrine hydrochloride, mepacrine hydrochloride. (05 Mar 2000) |