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Avian Hormonal Control of Testicular Function - Anatomy & Physiology (view source)
Revision as of 11:04, 22 July 2008
, 11:04, 22 July 2008no edit summary
* Testes under the influence of [[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Hormones_of_the_Anterior_Pituitary_Gland|FSH and LH]].
* Testes under the influence of [[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Hormones_of_the_Anterior_Pituitary_Gland|FSH and LH]].
* '''Leydig cells''' produce Testosterone and Androstenedione under the influence of '''[[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Hormones_of_the_Anterior_Pituitary_Gland|LH]]'''.
* '''Leydig cells''' produce Testosterone and Androstenedione under the influence of [[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Hormones_of_the_Anterior_Pituitary_Gland|LH]].
** Provide '''secondary sex characteristics''':
** Provide '''secondary sex characteristics''':
*** Coloration
*** Coloration
*** Plumage and Bill colour
*** Plumage and Bill colour
** Testosterone increases spermatogenesis and growth of accessory reproductive organs.
** Testosterone increases spermatogenesis and growth of accessory reproductive organs.
* FSH initiates growth of semniferous tubules and results in increased spermatogenesis.
* [[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Hormones_of_the_Anterior_Pituitary_Gland|FSH]] initiates growth of semniferous tubules and results in increased spermatogenesis.