Epididymitis is infection or less frequently, inflammation of the epididymis (the coiled tube on the back of the testicle). The majority of men that develop epididymitis develop it because of a bacterial infection. Although males of any age can develop epididymitis, it occurs most frequently between ages of 20 to 39. When it develops in children, it is usually due to inflammation caused by trauma.
Medical Definition of vaginal. 1  1: of, relating to, or resembling a vagina : thecal a vaginal synovial membrane surrounding a tendon. 2  2a: of, relating to, or affecting the genital vagina vaginal discharge vaginal infectionb: occurring through the birth canal a vaginal delivery a vaginal birth.
vagina is often used to refer to the vulva or female genitals generally, even though strictly speaking the vagina is a specific internal structure. Calling the vulva the vagina is rather like calling the mouth the throat.