It consists of external and internal structures responsible for the formation ... The scrotum is the pouch of skin that houses and protects the testes, the epididymis, and part of the spermatic ...

The results reveal a previously unknown pathway of masculinization of the external genitals. Proper development of the fetal penis requires not just testosterone from the testes, but a second ...

In Complete AIS (CAIS), testes exist in the abdomen while the external genitals are female. The Wolffian, or male, duct structures do not form because of the lack of response to androgens.

Read on to learn about the function of the testes and their anatomy. The testes — also called testicles — are two oval-shaped organs in the male reproductive system. They’re contained in a ...

If testes develop, they begin producing androgens ... secreted into the bloodstream—which in turn cause a single set of undefined external structures to become a penis and scrotum; in the ...

External testicles—which swing delicately ... During embryonic development in human males, reproductive structures morph into proto-testes deep in the abdomen (in females, these same structures ...