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单词 archenteron
释义

archenteronn.

/ɑːˈkɛntərɒn/
Etymology: modern Latin, < Greek ἀρχή beginning + ἔντερον intestine.
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 lemmas

archenteron
archenteron n.
Brit. /ɑːˈkɛntərɒn/
,
U.S. /ɑrˈkɛn(t)əˌrɑn/
ΚΠ
1880 T. H. Huxley Crayfish iv. 211 The primitive alimentary apparatus or archenteron.
extracted from archi-prefix
<
n.1877
as lemmas
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