<unk>  is the ejecting of semen from the penis, and is usually accompanied by orgasm. It is usually the result of sexual stimulation, which may include prostate stimulation. Rarely, it is due to prostatic disease.<unk>  may occur spontaneously during sleep (a nocturnal emission). Anejaculation is the condition of being unable to ejaculate.
Ejaculation
Penile discharge
Ovulation
Erection
Demulcent
Penis pain
Andropause
Fertility