单词 | discotriaene |
释义 | > as lemmasdiscotriaene discotriaene n. Brit. /ˌdɪskə(ʊ)ˈtrʌɪiːn/ , U.S. /ˌdɪskoʊˈtraɪˌin/ Zoology (in sponges) a triaene in which the divergent rays are united to form a disc.ΚΠ 1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. lvii Varieties of the Triæne... Discotriæne... The cladome is a disc in which separate cladi are not distinguishable; and the axial rods representing them extend but a short distance from the cladal origin. 1968 P. Brien in M. Florkin & B. T. Scheer Chem. Zool. II. i. i. 9 The branches may merge to form a disc (discotriaene). 2010 A. V. Ereskovsky Compar. Embryol. Sponges iii. 174 In advanced stages, the embryo is surrounded by a single layer of discotriaenes in which the shaft is inwardly directed. < as lemmas |
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