ANATOMY

Detailed explanation-1: -The testes synthesize two essential products: testosterone, needed for the development and maintenance of many physiological functions including normal testis function; and sperm, needed for male fertility.

Detailed explanation-2: -Testosterone is secreted by cells that lie between the seminiferous tubules, known as the Leydig cells. The testes also produce inhibin B and anti-Müllerian hormone from Sertoli cells, and insulin-like peptide 3 (INSL3) and oestradiol from the Leydig cells.

Detailed explanation-3: -The two testicles (or testes) produce sperm and the male sex hormone testosterone.

Detailed explanation-4: -Leydig cells produce testosterone in the testes under the pulsatile control of pituitary luteinizing hormone (LH).

Detailed explanation-5: -Testosterone is a 19-carbon steroid hormone made from cholesterol that, as we discussed yesterday, provides a whole host of benefits. On average, a man’s body produces about 7 mg of testosterone a day, but not all of that T floating in our bloodstream can be used by our bodies.