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.
The sperm cells are mixed with ânursemaidâ cells called Sertoli cells which protect the germ cells and promote their development. Other cells mixed in the wall of the tubules are the interstitial cells of Leydig; these cells produce high levels of testosterone once the male reaches adolescence.