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单词 vitellicle
释义

vitelliclen.

Etymology: < Latin vitellus vitellus n. + diminutive ending -icle.Previous versions of the OED give the stress as: viˈtellicle.
Biology.
A vitelline sac; a yolk-sac.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > yolk > sac
yolk sac1831
vitelline membrane1845
vitellicle1852
vitelline sac1880
1852 W. T. Brande Dict. Sci., Lit. & Art (ed. 2) Suppl. 1421/2 In man and mammalia the vitellicle is called the ‘umbilical vesicle’.
This entry has not yet been fully updated (first published 1920; most recently modified version published online June 2019).
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n.1852
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