Ovum
01
卵子, 卵
a mature, female reproductive cell or egg, typically larger than a sperm cell, capable of fusing with a sperm cell during fertilization to form a zygote
例子
Human females typically release one ovum during each menstrual cycle.
人类女性通常在每个月经周期释放一个卵子。
Fertilization occurs when a sperm cell penetrates the protective layers of the ovum.
受精发生在精子细胞穿透卵子的保护层时。
