yolk sac
基本解释
- (等於yolk bag)卵黃囊
英汉例句
- 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。
雙語例句
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
柯林斯英英字典
专业释义
- 卵黃囊
- 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