Cleavage was first observed by

If both ovaries are removed from a rat, then which hormone is decreased in blood

Spermiogenesis is possible due to....

Location - function : Testis and Ovary

$A$ : Oxytocin acts on the uterine muscles and cause stronger uterine contractions, which in turn stimulates further secretion of oxytocin.
$R$ : Oxytocin is released from maternal pituitary

Vestibular glands secrete