单词 | archenteron |
释义 | archenteronn. Zoology. The primitive intestinal or alimentary cavity of a gastrula. (Cf. metenteron n., perienteron n.) ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > visceral cavity archenteron1877 perienteron1877 schizocœle1877 1877 E. R. Lankester in Q. Jrnl. Microsc. Sci. 17 428 When once the cœlom is accomplished as a cavity definitely shut off from the ‘metenteron’—the name we now give to what remains of the archenteron. 1881 E. R. Lankester in Encycl. Brit. XII. 548/2 The archenteron or primitive digestive space. 1962 D. Nichols Echinoderms x. 120 An inpushing at one end forms the beginning of the larval gut, or archenteron. Derivatives archenteric adj. /ɑːkɛnˈtɛrɪk/ pertaining to the archenteron. ΚΠ 1881 E. R. Lankester in Encycl. Brit. XII. 548/2 The closure or shutting off of the axial from the periaxial portion of the archenteric space. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2018). > as lemmasarchenteron archenteron n. Brit. /ɑːˈkɛntərɒn/ , U.S. /ɑrˈkɛn(t)əˌrɑn/ ΚΠ 1880 T. H. Huxley Crayfish iv. 211 The primitive alimentary apparatus or archenteron. < n.1877 as lemmas |
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