Gonadotropins and Testicular Function

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Testicular function is dependent on the hypothalamic secretion of ______

GnRH

The pituitary secretion of FSH and LH by the gonadotrophs is also controlled by the feedback inhibition that occurs via the ______

steroids

The secretion of FSH and LH is also regulated by protein inhibitors, inhibin, secreted by the ______

gonads

The actions of LH are primarily upon the Leydigs interstitial cell, it promotes ______

steroidogenesis

Testosterone is required for Production of sperm in the testis and their subsequent Maturation in the ______

epididymis

FSH and LH are regulated by the secretion of gonadotropin releasing hormone (GnRH) produced in the testis

False

The main target of FSH is the Leydig cells

False

The secretion of LH is continuous rather than pulsatile

False

Test your knowledge on the regulation of testicular function through the secretion of gonadotropins and the initiation of spermatogenesis and testosterone production.

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