vitellus
/vi'telәs/
中文翻译
n. 卵黄
[医] 卵黄
英文解释
n nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)
常见例句
1
Situated around the vitellus, or between the vitellus and zona pellucida of an ovum.
2
the passage of more than one spermatozoon into the vitellus in the impregnation of the ovum.
3
as, the vitelline membrane, a smooth, transparent membrane surrounding the vitellus.
相关词组
1
[医] 卵黄
2
假卵黄体