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单词 discogastrula
释义

> as lemmas

discogastrula
discogastrula n.
Brit. /ˌdɪskə(ʊ)ˈɡastrᵿlə/
,
U.S. /ˌdɪskoʊˈɡæstrələ/
[after German Discogastrula (Haeckel 1875, in Jenaische Zeitschr. f. Naturwissensch. 9 407)] Embryology rare a gastrula formed from a discoblastula by involution of the margins.Apparently only attested in dictionaries or glossaries.
ΚΠ
1876 Q. Jrnl. Microsc. Sci. 16 60 The result is the formation of a Discogastrula perched on a mass of food-material.
1990 P. Willmer Invertebr. Relationships v. 112 Something rather similar [to epiboly]..happens, a few cells tucking in under the disc of ectoderm to become the endoderm, all still lying on top of the mass of yolk. This is termed involution and the end-product is a discogastrula.
extracted from disco-comb. form
<
as lemmas
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更新时间:2024/12/23 5:31:12