| Acarus rhizoglypticus hyacinthi | A species that develops in spoiled onions and may cause dermatitis. (05 Mar 2000) |
|---|---|
| Acarus scabiei | A former term for Sarcoptes scabiei. (05 Mar 2000) |
| acaryote | A cell without a nucleus (karyon), such as the erythrocyte. Synonym: acaryote, akaryote. Origin: G. A-priv. + karyon, kernel, + kytos, a hollow (cell) (05 Mar 2000) |
| acatalasaemia | Absence or deficiency of catalase from blood and tissues, often manifested by recurrent infection or ulceration of the gums and related oral structures. Homozygotes may have complete absence (Japanese variety) or very low levels (Swiss variety) of catalase; heterozygotes have reduced catalase levels (hypocatalasia), which overlap with the normal range. Synonym: acatalasaemia, Takahara's disease. (05 Mar 2000) |
| acatalasia | Absence or deficiency of catalase from blood and tissues, often manifested by recurrent infection or ulceration of the gums and related oral structures. Homozygotes may have complete absence (Japanese variety) or very low levels (Swiss variety) of catalase; heterozygotes have reduced catalase levels (hypocatalasia), which overlap with the normal range. Synonym: acatalasaemia, Takahara's disease. (05 Mar 2000) |
| acatamathesia | An obsolete term for the loss or impairment of understanding, especially speech comprehension. Origin: G. A-priv. + katamathesis, a thorough knowledge or understanding (05 Mar 2000) |
| acataphasia | Inability to correctly formulate a statement. Origin: G. A-priv. + kataphasis, affirmation (05 Mar 2000) |
| acathectic | Rarely used term relating to acathexia. (05 Mar 2000) |
| acathexia | Rarely used term for an abnormal release of secretions. Origin: G. A-priv. + kathexis, retention (05 Mar 2000) |
| acathexis | Rarely used term for a mental disorder in which certain objects or ideas fail to arouse an emotional response in the individual. Origin: G. A-priv. + kathexis, retention (05 Mar 2000) |
| acathisia | 1. <neurology> A condition of motor restlessness in which there is a feeling of muscular quivering, an urge to move about constantly and an inability to sit still, a common extrapyramidal side effect of neuroleptic drugs. 2. An inability to sit down because of intense anxiety at the thought of doing so. Origin: Gr. Kathisis = a sitting down (18 Nov 1997) |
| acaudal | Having no tail. Origin: G. A-priv. + L. Cauda, tail (05 Mar 2000) |
| acaudate | Having no tail. Origin: G. A-priv. + L. Cauda, tail (05 Mar 2000) |
| acaulescent | <botany> Describes a plant that lacks or seems to lack a stem. (06 May 1997) |
| acauline | <botany> Same as Acaulescent. Origin: Pref. A- not + cauline. Source: Websters Dictionary (01 Mar 1998) |