| 释义 |
acanthocephalan, a. and n. Zool.|əˌkænθəʊˈsɛfələn|
[f. mod.L. Acanthocephala (C. A. Rudolphi 1809, in Entozoorum sive Vermium Intestinalium Hist. Nat. II. i. 5): see acanthocephalous a., -an.]
A. n. A member of the phylum Acanthocephala, comprising parasitic worms which have recurved hooks on their proboscis for attachment to the gut of vertebrates but have no gut themselves.
B. adj. Belonging to or characteristic of this phylum.
1889Cent. Dict., Acanthocephalan, n. 1909Webster, Acanthocephalan, a. & n. 1916Trans. Amer. Microsc. Soc. XXXV. 228 A long list of Acanthocephalan genera. 1917Jrnl. R. Microsc. Soc. 126 New acanthocephalan... H. J. van Cleave gives a careful description of Filicollis botulus sp. n. from the intestine of an eider-duck. 1951L. H. Hyman Invertebrates III. xii. 1 The acanthocephalan worms were noticed about the beginning of the eighteenth century but were not clearly distinguished from other intestinal worms until 1771 when Koelreuther proposed the name Acanthocephalus for one from a fish. 1980Parasitology LXXX. 407 The acanthocephalan Moniliformis dubius. 1987R. D. Barnes Invertebr. Zool. (ed. 5) ix. 250/1 The acanthocephalan proboscis and neck can be retracted into a muscular proboscis sac in the anterior of the trunk. |