After ovulation,the Graafian follicle transforms into:

In mammals, the estrogens are secreted by the Graafian follicle from its:

Who discovered the human sperm?

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?
$(a)$ It results in the formation of haploid gametes
$(b)$ Differentiation of gamete occurs after the completion of meiosis
$(c)$ Meiosis occurs continuously in a mitotically dividing stem cell population
$(d)$ It is controlled by the Luteinising hormone $(LH)$ and Follicle-Stimulating Hormone $(FSH)$ secreted by the anterior pituitary
$(e)$ It is initiated at puberty
Choose the most appropriate answer from the options given below:

Androgen stimulates the $...A...$ $FSH$ acts on the $...B...$ and stimulates factors for spermiogenesis. Here $A$ and $B$ refers to

The human egg is ...