The Endocrine System, Reproductive and Hormonal Functions of the Male, and Pineal Gland
Spermatogenesis Sper mato genesis is the process of formation of spermatocytes from spermatogonia Sper minog enesis is the process of transformation of the spermatids, which are still epitheloid to sperm cells Male Sex Hormones Testosterone is an anabolic steroid hormone secreted by Leydig cells of the testis Gonadotropin-releasing hormone increases release of the LH and FSH from the anterior pituitary gland LH stimulates testosterone formation by the Leydig Cells, and FSH stimulates sperm ato genesis and sperm ino genesis Inhibin is forced by Sertoli cells and inhibits FSH secretion The Male Sexual Act Male Infertility Androgen dysfunction with normal sperm cell production Isolated dysfunction of sperm cell production with normal androgen levels Combined androgen and sperm cell production defects MALE REPRODUCTIVE PHYSIOLOGY A. Testes Structure and Function 1. Seminiferous tubules 2. Sert...