Gonads are derived from embryonic

Which of the following is not the function of Sertoli cells (sustentacular cells)?

By the contraction of spermatic cord the testis of man are not taken to the abdominal cavity. It is due to the following structure

During gastrulation ....... is formed

Formation of notochord or the central axial chord in vertebrates is known as

Embryologists can presume the future organs of the embryo in