Sexual arousal
Sexual arousal is the process and state of an animal being ready for sexual intercourse.
Human sexual arousal Unlike most other animals, human beings of both sexes are potentially capable of sexual arousal throughout the year, and there is therefore no human mating season. Things that precipitate human sexual arousal are commonly known as turn-ons. Given the right stimulation, sexual arousal in humans will typically end in an orgasm, but may be pleasurable for its own sake, even in the absence of an orgasm.
Causes of human sexual arousal Female sexual arousal:*Increase in breast size*Lubrication of the vagina*Vasocongestion of the vaginal walls*Clitoral tumescence and erection*More visible venous patterns across the breasts*Elevation of the uterus and stretching of the vagina*Change in shape and size of the labia majora and labia minora During the 1950s and 1960s, William H. Masters and Virginia E. Johnson conducted many important studies within the field of human sexuality. In 1966, the two released a book, Human Sexual Response, detailing four stages of physiological changes in humans during sexual stimulation. These phases, in order of their occurrence, are excitement, plateau, orgasmic, and resolution. See human sexual response cycle. Genital procedures and sexual arousal Scientific data shows that male circumcision causes neurological changes in the human brain, which is suggested to lower sexual excitability (Mackey, 1997).
[1] Another study suggested that arousal of a man's female partner is also impacted. [1]
Sexual arousal in other animals It is not completely understood how other animals relate sexually, but current research studies suggest that animals, like humans, enjoy sexual relations. This is especially noted in dogs, dolphins, and bonobos.
Related topics Sexual desire Sexual arousal disorder Impotence Frigidity Human sexuality Kinsey report Sexual orientation Homophobia Hypersexuality
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