In which animal the testes are abdominal during embryonic stages but migrate to scrotum just before birth where they remain throughout life
The Graafian follicle ruptures to release _________ from the ovary by the process called ovulation.
The mother germ cells are transformed into a mature follicle through series of steps. Provide the missing steps in the blank boxes.
$\boxed{{\text{Oogonia}}}$ $\to $ $\boxed{\text{A}}$ $\to $ $\boxed{{\text{Primary follicle}}}$ $\to $ $\boxed{\text{B}}$ $\to $$\boxed{\text{C}}$ $\to $ $\boxed{{\text{Mature or Graafian follicle}}}$
The period of preparation with reference to developmental phenomena in vertebrates means
Inhibition of uterine contraction ceases and the bleeding and cramps of menstruation begin due to