衣物護欧路词典

yolk sac

Y 开头单词

基本解释

  • （等於yolk bag）卵黃囊

同根派生

     

英汉例句

    雙語例句

  • The yolk sac and yolk stalk on one of them were well preserved.
    觀察了三例人胚外形，其中一例還有保存良好的卵黃囊和卵黃蒂。
  • The results showed that more than80%of nutrition in yolk sac were utilized in59hours, which suggested that it was the main period of yolk sac utilization.
    結果表明，在59時齡以內80%以上的卵黃囊營養被吸收利用，說明這一時期是卵黃囊吸收利用的主要時期。
  • I do not believe, however, that this is normal, since in the wild, young with such a large yolk sac probably would not survive without parental protection.
    我不相信，不過，這是正常的，因爲在野生環境年紀這麽大的卵黃囊，也許就不會生存父母的保護。

词组短语

    短語

  • yolk -sac larva 卵黃期幼生
  • visceral yolk -sac 髒層卵黃囊

英英字典

    柯林斯英英字典

  • the membranous sac that is attached to the ventral surface of the embryos of birds, reptiles, and some fishes and contains yolk

专业释义

    辳業科學

  • 卵黃囊

    • 毉葯科學

  • 卵黃囊

    BACKGROUND&AIM: To explore the effect of alcohol on the development of mouse visceral yolk sac(VYS)during organogenesis period,and the relationship to the teratogenicity of alcohol.
    背景與目的 :探討乙醇對小鼠胚胎髒層卵黃囊發育的影響及其與畸形發生的聯系。

    生物學

  • 卵黃囊
  • 卵黃囊
  • 蛋黃囊
  • 卵黃巢