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.
There are non-infectious causes of inflammation and pain of this epididymis, as well, which can be related to trauma, bicycle riding or other activities. Perhaps, one of the other serious causes of testicular pain is torsion or twisting of the blood supply to the testes. This causes the blood supply to be cut off and results in a great deal of pain. The onset of these symptoms is usually quite rapid.