Ejaculation: Definition, Function

What is ejaculation? During ejaculation, the erect penis expels semen from the urethra during orgasm. The prerequisite for male ejaculation is sexual arousal: Touching the skin of the genitals (especially the glans) and various erogenous zones triggers an erection of the penis via the erection center in the lower spinal cord. With increasing mechanical stimulation … Ejaculation: Definition, Function