The role of Leydig cells is …………

Chancre are the primary lesions caused by ……………

Smooth muscles lining the wall of scrotum are called …………

The trophoblast cells in contact with embryonal knob are called …………

The external layer of collagenous connective tissue of human testis is …………

Which of the following is mesodermal in origin ?

Pregnancy in second trimester is maintained by ………

In human foetus, the heart begins to beat at developmental age of …………

……… contribute about 60% of the total volume of the semen.

Which of the following is hormone releasing IUD?