All of the following are functions of the sustentocytes in the seminiferous tubules except
A) secretion of testosterone.
B) secretion of testicular fluid.
C) secretion of androgen-binding protein.
D) phagocytosis of excess cytoplasm from spermatids during spermiogenesis.

Question

Quizplus · Accepted Answer

Sustentocytes, also known as Sertoli cells, do not secrete testosterone. Testosterone is secreted by Leydig cells, which are located in the interstitial tissue of the testes. Sustentocytes are responsible for supporting spermatogenesis, including the secretion of testicular fluid, androgen-binding protein, and phagocytosis of excess cytoplasm from spermatids.

All of the Following Are Functions of the Sustentocytes in the Seminiferous