Video Images: Sperm image, Public Domain: http://en.wikipedia.org/w/index.php?title=File:Complete_diagram_of_a_human_spermatozoa_en.svg&page=1; Testes image 1, Public Domain: http://en.wikipedia.org/wiki/File:Illu_testis_surface.jpg; Testes image 2, Public Domain: http://en.wikipedia.org/wiki/File:Illu_testis_cross_section.jpg; Spermatogenesis image, Creative Commons: http://en.wikipedia.org/wiki/File:Seminiferous_tubule_and_sperm.jpg
Tubules within chambers of the testes in which sperm are produced.
The process of sperm formation.
Male gametes produced in the testes.
Cells of the testes that release testosterone.
The male sex hormone that controls the development of the male reproductive system.
Traits controlled by testosterone such as deepening of voice and facial hair development during puberty.
A gonadotropin secreted by the anterior pituitary gland, follicle stimulating hormone stimulates the production of gametes; sperm in males and ova in females. FSH’s secretion is regulated through negative feedback mechanisms and the hormone gonadotropin releasing hormone (GnRH).
A gonadotropin secreted by the anterior pituitary gland, LH stimulates Leydig cells to secrete testosterone while in females it promotes ovulation.
A hormone secreted by the hypothalamus that stimulates the the anterior pituitary gland to secrete FSH and LH.