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单词 deuterostome
释义

> as lemmas

deuterostome
deuterostome n.
Brit. /ˈdjuːt(ə)rəstəʊm/
,
/ˈdʒuːt(ə)rəstəʊm/
,
U.S. /ˈd(j)udərəˌstoʊm/
Zoology a deuterostomatous animal; also as adj.
ΘΚΠ
the world > animals > animal body > general parts > embryonic development or animals grouped by > [noun]
deuterostome1959
the world > animals > animal body > general parts > embryonic development or animals grouped by > [adjective]
deuterostome1959
1959 L. H. Hyman Invertebrates V. xxi. 605 It may thus appear that deuterostomes show a further development of characters beginning in an unclear way in lophophorates, and thus branch off from protostomes by way of the latter.
1967 E. J. W. Barrington Invertebr. Struct. & Function xviii. 397 In echinoderms, where deuterostome characters are easiest to appreciate, there is no sign of spiral cleavage.
1988 R. S. K. Barnes et al. Invertebrates xv. 453/2 In deuterostomes the blastopore becomes the anus of the functional larva and often of the adult. The mouth will form as an ectodermal invagination.
extracted from deutero-comb. form
<
as lemmas
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