单词 | vitellicle |
释义 | vitelliclen. 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). < n.1852 |
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