The ...... helps in maintaining the low temperature of the testes.

The Leydig cells as found in the human body are the secretory source of

What is the functional unit of the human testis?

The region outside the seminiferous tubules which contains small blood vessels,Leydig cells,and other immunologically competent cells is called $:-$

In humans and rabbits,the scrotum is connected to the abdominal cavity by which of the following?

Cells of Leydig are found in