| 单词 | protostomous |
| 释义 | > as lemmasprotoˈstomous protoˈstomous adj. = sense B.; (of an animal's mouth) derived from the embryonic blastopore. ΚΠ 1961 Jrnl. Paleontol. 35 1073/2 Some zoologists believe that there must have been, in remote pre-Cambrian time, a trochophore phylum which was ancestral to all of the modern protostomous phyla. 1989 C. M. Lent & S. L. Adams in A. D. Woodhead Nonmammalian Animal Models for Biomed. Res. iii. 30 The protostomous developmental patterns of leech embryos facilitate fate-mapping experiments. 1997 Proc. National Acad. Sci. U.S.A. 94 8002/2 The phoronid celom can be interpreted as a schizocel and the mouth is, literally, protostomous. The mouth is not protostomous in the other lophophorates. < as lemmas |
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