In vasectomy, a small part of which of the following is cut for sterilization?

Leydig cells are responsible for the production of:

Which of the following contains the highest concentration of fructose,calcium,and certain enzymes?

The penile urethra runs through which of the following?

Following accessory ducts in human males are in pairs,$EXCEPT$ . . . . . . .

$A$: Occasionally,mammary glands are functional in males,and the condition is called gynaecomastia.
$R$: Decreased testosterone in later life may also lead to gynaecomastia. It is usually due to the perturbation of the estrogen-to-androgen ratio.