| acanthopodia | Toothlike pseudopodia observed in some amoebae, typically in members of the genus Acanthamoeba. Origin: acantho-+ G. Pous, podos, foot (05 Mar 2000) |
|---|---|
| acanthopodina | A suborder of ameboid protozoa. Characteristics include subpseudopodia that are more or less finely tipped, occasionally filiform, commonly furcate hyaline, and produced from a broad hyaline lobe. Cysts are usually formed and nuclear division is mesomitotic or metamitotic. (12 Dec 1998) |
| acanthopodious | <botany> Having spinous petioles. Origin: Gr. Thorn +, foot. Source: Websters Dictionary (01 Mar 1998) |
| acanthopteri | <zoology> A group of teleostean fishes having spiny fins. See Acanthopterygii. Origin: NL, from Gr. Thorn + wing, fin. Source: Websters Dictionary (01 Mar 1998) |
| acanthopterous | 1. <zoology> Spiny-winged. 2. <zoology> Acanthopterygious. Origin: Gr. Spine + wing. Source: Websters Dictionary (01 Mar 1998) |
| acanthopterygian | <zoology> Belonging to the order of fishes having spinose fins, as the perch. A spiny-finned fish. Source: Websters Dictionary (01 Mar 1998) |
| acanthopterygii | <zoology> An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch. Origin: NL, from Gr. Thorn + fin, dim. Fr. Wing. Source: Websters Dictionary (01 Mar 1998) |
| acanthopterygious | <zoology> Having fins in which the rays are hard and spinelike; spiny-finned. Source: Websters Dictionary (01 Mar 1998) |
| acanthor | The spindle-shaped embryo, with rostellar hooks and body spines, formed within the egg shell of Acanthocephala; this stage burrows into the body cavity of its first intermediate host, usually a crustacean in aquatic cycles, or insects in terrestrial cycles. Origin: G. Akantha, thorn or spine (05 Mar 2000) |
| acanthorrhexis | Rupture of the intercellular bridges of the prickle cell layer of the epidermis, as in contact-type dermatitis. See: spongiosis. Origin: acantho + G. Rhexis, rupture (05 Mar 2000) |
| acanthosis | An increase in the thickness of the stratum spinosum of the epidermis. Synonym: hyperacanthosis. Origin: acantho-+ G. -osis, condition (05 Mar 2000) |
| acanthosis nigricans | <radiology> Pre-malignant skin disorder, papillomatosis, pigmentation, hyperkeratosis, multiple filling defects in oesophagus, increased risk of carcinoma in stomach and abdomen (12 Dec 1998) |
| acanthotic | Pertaining to or characteristic of acanthosis. (05 Mar 2000) |