Question
Biology Question on human reproduction
Immediately after ovulation, the mammalian egg is covered by a membrane known as
A
chorion
B
zona pellucida
C
corona radiata
D
vitelline membrane
Answer
corona radiata
Explanation
Solution
Immediately after ovulation, the layer that forms around the ovum is called corona radiata. It is formed by the granulosa cells of cumulus oophorus. Corona radiata probably increases the likelihood that the ovum will be picked up in the uterine tube.