Sperm and ovum originate from the . . . . . . .

Give the names and functions of the hormones involved in the process of spermatogenesis. Write the names of the endocrine glands from where they are released.

Which of the following vitamins is essential for gametogenesis?

What is the correct sequence of sperm formation?

Identify the layers of the ovum from inside to outside.

In males,where is the hormone $Inhibin$ released from?