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Testosterone:

Testosterone:. Steroid hormone essential for growth, form & function of the male reproductive tract. Governs the formation of sperm Triggers development of male secondary sexual traits, stimulates sexual and aggressive behavior Secreted by Leydig cells between the lobes in the testes. .

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Testosterone:

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  1. Testosterone: • Steroid hormone essential for growth, form & function of the male reproductive tract. • Governs the formation of sperm • Triggers development of male secondary sexual traits, stimulates sexual and aggressive behavior • Secreted by Leydig cells between the lobes in the testes.

  2. LH & FSH • Released from the anterior lobe of the pituitary gland. • LH: • Prompts Leydig cells to produce and release testosterone • FSH: • Will bind with testosterone and Sertoli cells to stimulate spermatogenesis

  3. Hypothalamus and the hormones • Governs the secretion of LH, FSH and GnRH. • Secretes GnRH when the blood levels of testosterone & other factors are low • Released GnRh – induces anterior lobe of the pituitary gland to increase the production of LH and FSH.

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