Human ReproductionMedium
Question
The covering of ovum at ovulation is $\_\_\_\_$.
Options
A.zona pellucida
B.chorion
C.endometrium
D.zona radiata
Solution
Sol. [Key Concept: Ovum covering at ovulation — zona pellucida]
The Graafian follicle ruptures to release the secondary oocyte (ovum) from the ovary by the process called ovulation.
The secondary oocyte forms a membrane called zona pellucida surrounding it.
Endometrium is the innermost layer of uterine wall.
Chorion is the outermost extraembryonic membrane that surrounds the embryo.
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