Dunham (surname) Dunham is a surname of Anglo-Saxon origination. The origins of the name may be in the Britannic place name âde Dinanâ (Dinan is a walled town in North West France). Alan, Barron de Dinan of Scotland carried the name to the United Kingdom with William the Conqueror in 1066.
Thus HCG sends the same message and results in increased testosterone production by the testis due to HCGâs effect on the leydig cells of the testis.
Function of Testosterone. Testosterone is a sex hormone produced in the testes that stimulates the development of male sex organs, secondary sexual traits, and sperm. Testosterone in men peaks at age 30 and gradually decreases at a rate of about 1 percent per year.