vitelline
vitelline[vɪˈtɛlʌɪn, vʌɪ-, -lɪn]adjective- (Zoology & Embryology)of or relating to the yolk (or yolk sac) of an egg or embryo, or to yolk-producing organs
(动,胚)卵黄的
语源- late Middle English (in the sense 'coloured like egg yolk'): from medieval Latin vitellinus, from vitellus (see vitellus)
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