Poster un message

The prostate gland derives from the urogenital sinus, and the other embryonic structures differentiate into the external genitalia. The masculinization of the embryonic reproductive structures occurs as a result of testosterone secreted by the embryonic testes. When a male becomes sexually aroused, erection occurs because sinuses within the erectile tissues of the penis (corpora cavernosa and corpus spongiosum) become filled with blood. The development of the male reproductive system coincides with the urinary system. The corresponding system in females is the female reproductive (...)