There are some special types of cells found in the seminiferous tubules known as sertoli cells. These are
Germinal cells
Reproductive cells
Somatic cells
Protective cells
Which of the following is an accessory reproductive gland in male mammals
Describe the structure of a sperm.
Mention the location and structure of testes and explain about seminiferous tubules.
Identify $A, B, C, D, E$ and $F$ in Figure.
Males in whom testes fail to descend to the scrotum are generally infertile. Why ?