How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa ...

The function of the male reproductive system is to produce sperm cells - male gametes - and release them inside a female. The male reproductive system has two testes (singular: testis).

Testicular cancer is when abnormal cells in a testicle start to divide and grow in an uncontrolled way. The testicles are part of the male reproductive system. The testicles are two small oval shaped ...

Male: By the tenth week of pregnancy, a fetus's gender is evident, and by week 14 sex organs have formed. Female: At 20 weeks, a female fetus has a fully developed reproductive system, replete ...

The 2024 male infertility guideline amendment provides updated recommendations the appropriate evaluation and management of men.

RONALD SWERDLOFF ENDOCRINOLOGY Physician The Lundquist Institute Dr. Ronald Swerdloff’s research includes basic ...