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.
Health, lifestyle and other causes. Some other causes of male infertility include: 1  Illicit drug use. 2  Anabolic steroids taken to stimulate muscle strength and growth can cause the testicles to shrink and sperm production to decrease. 3  Use of cocaine or marijuana may temporarily reduce the number and quality of your sperm as well. 4  Alcohol use.