Attention Deficit Hyperactivity Disorder. Definition. Attention-deficit/hyperactivity disorder (ADHD) is a brain disorder marked by an ongoing pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development.
An orchidectomy is a surgical procedure that involves the removal of one or both testicles. There are several reasons why a man might have this operation, such as cancer, injury, or trauma to the area. Regardless of the reason, the effects of this surgery on a manâs sex life depend on the number of testicles removed. When one testicle is removed, there is usually no effect on a manâs sexual function.
1 The testes are responsible for making testosterone, the primary male sex hormone, and for generating sperm. 2  Within the testes are coiled masses of tubes called seminiferous tubules.3  These tubes are responsible for producing sperm cells. Most men have two testes. 2  The testes are responsible for making testosterone, the primary male sex hormone, and for generating sperm. 3  Within the testes are coiled masses of tubes called seminiferous tubules.