Human Sexuality chapter 4,5.docx

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Family Relations and Human Development
FRHD 2100
Robin Milhausen

CHAPTER 4: Hormone A substance, secreted by an endocrine gland, that regulates various body functions Hypogonadism A condition marked by abnormally low levels of testosterone production. Sexual Response cycle Master and Johnsons model of sexual response, which consists of four phases  Excitement,  Plateau  Orgasm  Resolution Excitement phase The first phase of the sexual response cycle, characterized by erection in the male, vaginal lubrication in the female, and muscle tension and increased heart rate in both the male and female Plateau phase The second phase of the sexual response cycle, characterized by increased vasocongestion, muscle tension, heart rate, and blood pressure, in preparation for orgasm Orgasmic Platform Thickening of the walls of the outer one-third of the vagina (due to vasocongestion) during the plateu phase of sexual response cycle. Sex Flush A reddish rash that appears on the chest or breasts late in the excitement phase of the sexual response cycle Sex Skin the reddened skin of the labia minora during the plateau phase. Orgasmic Phase orgasmis phase in the male consists of two stages of muscular contraction  Contraction of the vas deferens, seminal vesicles, ejaculatory duct, and prostate glad cause seminal fluid to collect in the urethral bulb at the base of the penis. Resolution Phase The fourth phase of the sexual response cycle, during which the body gradually returns to its pre-aroused state. Refractory period The time following a response when an individual no longer responds to stimulation. Multiple Orgasms One or more additional orgasms f
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