Disorders of ejaculation - Harvard Health - penis ejaculation erection

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Ejaculation - Wikipedia penis ejaculation erection


The blood vessels in the penis relax and open up, allowing blood to fill them. Blood trapped under high pressure creates an erection. Ejaculation is a reflex.

WebMD explains the parts of a penis, how you get an erection, and how ejaculation happens.

This causes semen to be released through the penis (ejaculation). Sometimes PE is a problem for men who have erection problems (erectile dysfunction or.

After you ejaculate (cum), an erection goes away and your penis will get soft again. Some people masturbate when they have an erection. But an erection will .