Spermatogenesis is a very complex process that involves an array of cellular and biochemical events, collectively culminating in the formation of haploid spermatids from diploid spermatogonia. It is widely accepted that germ cell differentiation requires endocrine regulation by gonadotropins and steroid hormones, a local control through paracrine/autocrine factors, and, importantly, cell-cell interactions via specialized cell junctions. These structures participate in the intercellular communication and coordination of cell metabolism.

Androgen receptors in the male gonad

The role of the StAR protein in the regulation of steroidogenesis

The article presents the mechanism of action of estrogen and their importance for the proper reproduction male. In the male gonad , estrogens are produced by the Leydig cells and Sertoli and through successive stages gametogenicznych cells . Estrogen receptors are expressed in the testis, efferent ductules , epididymis , and prostate .