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Avian Hormonal Control of Testicular Function - Anatomy & Physiology (view source)
Revision as of 11:01, 22 July 2008
, 11:01, 22 July 2008no edit summary
* Testes under the influence of '''FSH and LH'''.
* Testes under the influence of '''FSH and LH'''.
* '''Leydig cells''' produce Testosterone and Androstenedione under the influence of '''LH'''.
* '''Leydig cells''' produce Testosterone and Androstenedione under the influence of '''LH'''.
** Provide '''secondary sex characteristics''' like coloration and song during courtship.
** Provide '''secondary sex characteristics''':
*** Coloration
*** Song during courtship
*** Comb growth.
*** Plumage and Bill colour
** Testosterone increases spermatogenesis and growth of accessory reproductive organs.
* FSH initiates growth of semniferous tubules and results in increased spermatogenesis.