Which organ do pituitary hormones most directly affect?
A. epididymis B. Testicle C. Seminal vesicle D. Vas deferens
Answer: B. Testicle
The pituitary gland, as it is commonly called the “master gland,” is the one that produces hormones which comprehensively impact or even affect the testicles. The pituitary gland has two key hormones which are known as the luteinizing hormone (LH) and the follicle-stimulating hormone (FSH) that determine testicular functions and male reproductive processes.
LH polulates the testicles Leydig cells and activate them to secrete the most important male sex hormone, testosterone, which is in charge for the development of the male gonadal and secondary sex characteristics. While FSH, on the other hand, is accountable for the functioning of Sertoli cells, which is required to trigger spermatogenesis, that is, the process of sperm production and maturation within the testicles.
Thus, the testicles become the main target organs for patients undergoing hyposomia of hypothalamic and pituitary hormones. The testosterone production and spermatogenesis are noticed
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