Spermatogenesis is induced by
$FSH$
$ACTH$
$ICSH$
$ATH$
The first sign of the growing foetus may be noticed by listening to the heart sound carefully through the stethoscope. Embryo's heart is formed _________.
Animal $\quad$ Gestation period
Tablets to prevent contraception contain
Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of
The rolling of endodermal and mesodermal cells from the surface of embryo into its interior is called
The function of amniotic cavity is