The figure given below shows the sectional view of ovary. Select the option which gives correct identification of marked structure ( $A$ to $D$ ) and its feature.
The first meiotic division in the oogonium is completed when the egg is within the
Draw a labeled diagram of a section through ovary.
Identify $A, B, C, D$ and $E$ in given figure.
A single ejaculation contains $...A...$ to$...B..$. million spermatozoa. Semen has pH of $...C...$ to $...D....$ Its alkalinity helps to neutralize the acidity of urethra. Here $A,B, C$ and $D$ refers to