英语词汇“protostome”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	protostome
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pro•to•stome (prō′tə stōm′),USA pronunciation n. [Zool.] Zoologyany member of the lower invertebrate phyla in which the mouth appears before the anus during development, cleavage is spiral and determinate, and the coelom forms as a splitting of the mesoderm. Cf. deuterostome. proto- + -stome
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