vitelline

vitelline
[vɪˈtɛlʌɪn, vʌɪ-, -lɪn]
adjective
  1. (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
  1. late Middle English (in the sense 'coloured like egg yolk'): from medieval Latin vitellinus, from vitellus (see vitellus)
英语宝典
考试词汇表