“physoclist”的英文意思_释义_用法

单词

physoclist

释义

physoclist, a. and n. Ichthyol.|ˈfaɪsəʊklɪst|
[f. mod.L. Phȳsoclīstī (pl.), f. Gr. ϕῦσα bladder + -κλειστ-ος shut, closed.]
a. adj. Belonging to the Physoclisti, a group of teleost fishes having the duct between the air-bladder and the intestine closed: cf. physostome.
b. n. A member of this group. So physoˈclistic, physoˈclistous adjs., having the air-bladder so closed or cut off.
1887A. Heilprin Distrib. Anim. 303 Both the *physoclist and physostome types appear..very nearly simultaneously in the same deposits.Ibid., The severance of the bladder in the physoclists being the result of the disuse of parts.
1883Lankester in Encycl. Brit. XVI. 671/1 The parallel cases [of the secretion of gas] ranging from the Protozoon Arcella to the *Physoclistic Fishes.
1887Cope Orig. Fittest 327 The descent of the *Physoclystous fishes has probably been from Holostean ancestors, both with and without the intervention of Physostomous forms.

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