THE HUMAN SEXUAL RESPONSE – ORGASM

Orgasm can be defined as an intense pleasure felt first deep in the pelvis, which spreads in a powerful sensation of well-being, tingling, and warmth of the whole body, to the exclusion of all other sensations. From this definition it is obvious that orgasm is both a physical and emotional (psychological) pleasurable response to sensual stimuli.

In a man, orgasm has two separate stages. In the first, which is called the emission phase, contractions of the muscles of his inner pelvis massage seminal fluid from his prostatic area along his urethra. In the second, or ejaculation, stage, the man ejaculates semen from his penis. The muscle contractions are triggered by the sensations from the base of the glans of the penis and from its shaft, caused by the touch of the woman’s vagina as he thrusts in the warm, moist space, or by her hand or mouth, and are relayed to his lower spine where the ejaculation centre is situated. It appears that this is different from the erection centre, as the nerves which lead to ejaculation are sympathetic nerves.

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