Human Testicles

ehow.com

Human Male Castration Procedures | eHow.com
Human Male Castration Procedures. Castration is the removal of male testes ... Removal of a cancerous testes is standard procedure to prevent the spread of testicular ...

britannica.com

testis (anatomy) : Introduction -- Britannica Online Encyclopedia
The production of testosterone by the fetal testes is stimulated by human ... tubules, in which the sperm are produced, constitute about 90 percent of the testicular ...