are situated between the seminiferous tubules. Sertoli cells of the testis are joined by tight junctions, creatinga blood-testis barrier analogous to the blood-brain barrier. This means that the interior of the testis is an immunoprotected site and that water-soluble drugs have difficulty in reach...
Hi- a few weeks ago my scrotum became a lot tighter, meaning they no longer sag basically and my testicles are always held next to the body now. This topic is answered by a medical expert.
The relatively cool temperature of the scrotum is thought to be important for the production of viable sperm. The muscle tone of the scrotum becomes weakened and relaxed in older men. In animals whose scrotum is always tight against the body, as in rats, boars, and stallions, the testes ...