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Four stages of human sexual response

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Sexual response cyclepattern of physiologic events occurring during sexual arousal and intercourse. In both men and women, these events may be identified as occurring in a sequence of four stages: The basic pattern of these stages is similar in both sexes, regardless of the specific sexual stimulus. Sexual response follows a pattern of sequential stages or phases when sexual activity is continued.

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First, there is the excitement phase marked by increase in pulse and blood pressure, an increase in blood supply to the surface of the body resulting in increased…. In the excitement stagethe body prepares "Four stages of human sexual response" sexual activity by tensing muscles and increasing heart rate and blood pressure. In the male, blood flows into the peniscausing it to become erect; in the female, the vaginal walls become moist, the inner part of the vagina becomes wider, and the clitoris enlarges.

In the plateau stagebreathing becomes more rapid and the muscles continue to tense; the glans at the head of the penis swells and the testes enlarge in the male; in the female, the outer vagina contracts and the clitoris retracts.

At orgasm the neuromuscular tension built up in the preceding stages is released in a "Four stages of human sexual response" seconds.

In the woman, the vagina begins a series of regular contractions; in the man, the penis also contracts rhythmically to expel the sperm and semen ejaculation.

The succeeding resolution stage brings a gradual return to the resting state that may take several hours. In the male, the penis shrinks back to its Four stages of human sexual response size; in the female, the vagina and other genital structures also return to their pre-excitement condition. The resolution stage in men contains a refractory period of several minutes to a few hours, during which Four stages of human sexual response man is incapable of further sexual arousal.

Women have no such refractory period and can quickly become aroused again from any point in the resolution stage. We welcome suggested improvements to any Four stages of human sexual response our articles. You can make it easier for us to review and, hopefully, publish your contribution by keeping a few points in mind. Your contribution may be further edited by our staff, and its publication is subject to our final approval.

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Please note that our editors may make some formatting changes or correct spelling or grammatical errors, and may also contact you if any clarifications are needed. The Editors of Encyclopaedia Britannica. Read More on This Topic. Learn More in these related Britannica articles: The sexual response in both males and females can be defined by three physiological events. The first stage begins with psychogenic impulses in higher neural centres, which travel through multineuronal pathways and cause excitation of sacral parasympathetic outflow innervating vascular tissues of the penis or clitoris.

Sexual intercoursereproductive act in which the male reproductive organ in humans and other higher animals enters the female reproductive tract. If the reproductive act is complete, sperm cells are passed from the male body into the female, in the process fertilizing the female egg…. Penisthe copulatory organ of the male of higher vertebrates that in mammals usually also provides the channel by which urine leaves the body. The corresponding structure in lower invertebrates is often called the cirrus.

Some women are capable of...

The human penis is anatomically divided into two continuous…. Ejaculation, the release of sperm cells and seminal plasma from the male reproductive system. Ejaculation takes place in two phases: More About Sexual response cycle 2 references found in Britannica articles Assorted References major reference In human sexual behaviour: Sexual response role of autonomic nervous system In human nervous system: Help us improve this article!

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The sexual response cycle has...

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If you prefer to suggest your own revision of the article, you can go to edit mode requires login. Thank you for your feedback. Sign up for our Demystified newsletter and get this free guide. as occurring in a sequence of four stages: excitement, plateau, orgasm, and resolution. human sexual behaviour: Sexual response. Sexual response follows a pattern of sequential stages or phases when sexual activity is continued.

First. Some women are capable of a rapid return to the orgasm phase with further sexual stimulation and may experience. Four stages of human sexual response Kidney3mask (Click here to edit this page anonymously, or register a username to be credited for your work.) The human sexual response.

The four phases of sexual...

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