Male accessory glands include

Which constituent of seminal fluid helps in coagulation of semen after ejaculation?

Supporting cells found in between the germinal epithelium of the testes are called:

Match the structures/parts of the human male reproductive system in Column $I$ with their respective explanation in Column $II$ and select the correct answer from the given options.

Column $I$	Column $II$
$i$. Prepuce	$a$. Fibromuscular band that retains testis in scrotum.
$ii$. Penis	$b$. Primary male reproductive gonad.
$iii$. Testis	$c$. Loose fold of skin covering glans penis.
$iv$. Gubernaculum	$d$. Male copulatory organ.

The bulbourethral gland is also known as:

Describe the structure of a seminiferous tubule.