Who demonstrated the acrosome reaction in Saccoglossus
F.R. Lillie $(1919)$
Colwin and Colwin $(1967)$
$(a)$ and $(b)$ both
None of the above
What is the female counterpart of prostate gland in the male $(man)$
The longest visceral muscle cell is present in
Which of the following decidua layer forms a partition between developing embryo and lumen at uterus?
Allantois develops from the embryonic
From where spermatogenesis starts ?