1831, plural of Modern Latin chelicera, from Greek khele claw, talon, cloven hoof, from PIE *ghel-wo-, from root *ghel-una- jaw, + keras horn (see kerato-). Earlier chelicer (1835), from French chÃ©licÃ¨re.
Testicular diseases can be classified as endocrine disorders or as a disorders of the reproductive system. The testicles are well-known to be very sensitive to impact and injury. Blue balls is a slang term for a temporary fluid congestion in the testicles and prostate region caused by prolonged sexual arousal. The most prominent diseases of testicles are: 1  testicular cancer and other neoplasms. 2  swelling of a testicle, caused by hydrocele testis.  inflammation of the testicles, called orchitis.
In men and boys, the testicles hang outside the body in a pouch of skin called the scrotum. Because of their location, many types of accidents can cause testicular injuries. Blunt trauma (a strike) causes about 75% of testicular injuries.hat's because testicles are made of different types of tissue. The scrotum also contains other structures that are attached to the testicles. Testicular injuries include: Rupture. An injury can tear the tough, protective covering surrounding the testicle and damage the testicle.