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单词 ovovitelline
释义

ovovitellineadj.

Brit. /ˌəʊvəʊvɪˈtɛlʌɪn/, /ˌəʊvəʊvʌɪˈtɛlʌɪn/, /ˌəʊvəʊvɪˈtɛliːn/, /ˌəʊvəʊvʌɪˈtɛliːn/, U.S. /ˈˌoʊvoʊvəˈtɛlən/, /ˈˌoʊvoʊˌvaɪˈtɛlən/, /ˈˌoʊvoʊvəˈtɛlin/, /ˈˌoʊvoʊˌvaɪˈtɛlin/, /ˈˌoʊvoʊˌvaɪˈtɛlaɪn/, /ˈˌoʊvoʊvəˈtɛlaɪn/
Origin: Formed within English, by compounding; probably modelled on a French lexical item. Etymons: ovo- comb. form, vitelline adj.
Etymology: < ovo- comb. form + vitelline adj., probably after French ovovitelline (1927 or earlier).
Zoology.
Of or relating to the yolk of an egg (= vitelline adj. 2). Also: of or relating to both the ovum and the yolk; spec. designating a duct in certain flatworms along which yolk cells and ova both pass.
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the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > ovum > yolk
yolked1584
vitelliferous1819
vitelline1835
yolk1836
vitellary1847
vitelligenous1859
vitelligine1864
vitellogenous1878
alecithal1880
centrolecithal1880
heterolecithal1892
homolecithal1892
vitelligerous1898
isolecithal1926
ovovitelline1945
vitellogenetic1961
vitellogenic1964
1945 Amer. Midland Naturalist 34 478 Papilla lies in male antrum into the roof of which opens the common ovovitelline duct accompanied by eosinophilous glands.
1951 L. B. Hyman Invertebrates II. 119 The yolk glands may discharge directly into the oviducts as in triclads, in which case the oviducts are more properly termed ovovitelline ducts.
1971 Arch. Internat. de Physiol. et Biochim. 79 359 Egg yolk and white are kept apart by the ovovitelline membrane.
1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) vii. 52/1 The vitelline duct and oviduct unite to form an ovovitelline duct, which has a dilated region, the ootype, where zygotes and vitelline cells are combined to form shelled eggs.
This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022).
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adj.1945
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