| acantho- | A spinous process; spiny, thorny. Origin: G. Akantha, a thorn, the backbone, the spine, fr. Ake, a point, + anthos, a flower (05 Mar 2000) |
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| acanthocarpous | <botany> Having the fruit covered with spines. Origin: Gr. Thorn + fruit. Source: Websters Dictionary (01 Mar 1998) |
| acanthocephala | <zoology> A group of intestinal worms, having the proboscis armed with recurved spines. Origin: NL, from Gr. A spine, thorn + head. Source: Websters Dictionary (01 Mar 1998) |
| acanthocephaliasis | An illness caused by infection with a species of Acanthocephala. (05 Mar 2000) |
| acanthocephalous | <zoology> Having a spiny head, as one of the Acanthocephala. Source: Websters Dictionary (01 Mar 1998) |
| Acanthocheilonema | A genus of filarial worms parasitic in man, now considered part of the genus Mansonella. Origin: acantho-+ G. Cheilos, lip, + nema, thread (05 Mar 2000) |
| acanthocyte | An erythrocyte characterised by multiple spiny cytoplasmic projections, as in acanthocytosis. Synonym: acanthrocyte. Origin: acantho-+ G. Kytos, cell (05 Mar 2000) |
| acanthocytes | Erythrocytes with protoplasmic projections giving the cell a thorny appearance. (12 Dec 1998) |
| acanthocytosis | <haematology> A rare condition where the majority of red blood cells are acanthocytes (red blood cells with multiple spiny cytoplasmic projections), a feature of abetalipoproteinaemia. (27 Sep 1997) |
| acanthocytosis with chorea | A slowly progressive familial chorea with associated mental deterioration, diminished deep tendon reflexes, bilateral atrophy of the putamen and caudate nuclei and acanthocytosis (thorny appearance of blood erythrocytes); the disorder typically begins around late adolescence; inheritance is usually autosomal recessive. Synonym: acanthocytosis with chorea. (05 Mar 2000) |
| acanthoid | Spine-shaped. (05 Mar 2000) |
| acantholysis | Separation of the prickle cells of the stratum spinosum of the epidermis, resulting in atrophy of the prickle cell layer. It is seen in diseases such as pemphigus vulgaris and keratosis follicularis. (12 Dec 1998) |
| acanthoma | <tumour> A tumour formed by proliferation of epithelial squamous cells. See: keratoacanthoma. Origin: acantho-+ G. -oma, tumour (05 Mar 2000) |
| acanthoma adenoides cysticum | <tumour> Multiple small benign nodules, occurring mostly on the skin of the face, derived from basal cells of hair follicles enclosing small keratin cysts; frequent autosomal dominant inheritance. Synonym: acanthoma adenoides cysticum, Brooke's tumour, epithelioma adenoides cysticum, hereditary multiple trichoepithelioma. Origin: tricho-+ epithelioma (05 Mar 2000) |
| acanthoma fissuratum | A fissure bordered by acanthosis developing at a site of friction by spectacle frames, usually behind the ears. (05 Mar 2000) |