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sexphysiology and response

sexphysiology and response - Chapter 9 The Physiology of...

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Chapter 9 The Physiology of Sexual Response
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The Sexual Response Cycle: Definitions Vasocongestion occurs when a great deal of blood flows into the blood vessels in a region, in this case the genitals, as a result of the dilation of the blood vessels in the region. Myotonia occurs when the muscles contract, not only in the genitals but also throughout the body.
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The Sexual Response Cycle: Stages of Sexual Response Masters and Johnson described four stages of sexual response: Excitement Plateau Orgasm Resolution
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Changes During the Sexual Response Cycle in Males
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Changes During the Sexual Response Cycle in Females
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The Sexual Response Cycle: Excitement Phase The excitement phase is the beginning of erotic arousal. Erection is the obvious arousal response in the male. Lubrication of the vagina is an important response of females. Both result from vascongestion.
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The Sexual Response Cycle: Plateau Phase Vasocongestion reaches its peak during the plateau phase . The penis is completely erect, the glans swells, and the testes are pulled higher and closer to the body. The orgasmic platform is a tightening of the outer third of the vagina and the elevation of the clitoris.
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The Sexual Response Cycle: Orgasm In both males and females, there are sharp increases in pulse rate, blood pressure, and breathing rate during orgasm.
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