Proper development of the fetal penis requires not just testosterone from the testes, but a second hormone produced by other tissues, including the placenta, according to a new study. The results reveal a previously unknown pathway of masculinization of the external genitals.
Penis development needs more than just testes and testosterone
Proper development of the fetal penis requires not just testosterone from the testes, but a second hormone produced by other tissues, including the placenta, according to a new study. The results reveal a previously unknown pathway of masculinization of the external genitals.