The graafian follicle now ruptures to release the secondary oocyte (Ovum) from the ovary by the process called
Minarche
Ovulation
Manopouse
Parturition
Which is not the function of placenta ?
The minimum number of barriers present between foetal and maternal blood is present in which type of placenta?
In human females at the time of birth there are two million ova: how many of them normally reach maturity in the course of normal reproductive life
$A$ : Most birds possess only the left ovary and left oviduct for conveying the ovum released from the ovary.
$R$ : The avian ovary does not form a corpus luteum from the ruptured ovarian follicle which undergoes rapid shrinkage
In spiral cleavage turn of spiral may be