Psychology 2075 Chapter Notes - Chapter 9: Vaginal Lubrication, Corpus Spongiosum Penis, Bulb Of Vestibule

• School: Western University
• Department: Psychology
• Course: Psychology 2075
• Professor: Corey Isaacs

Document Summary

Sexual response cycle: sex researchers william masters and virginia johnson provided one of the rst models of the physiology of human sexual response. Sexual response typically progresses in three stages: excitement, orgasm, and resolution. Johnson originally proposed that there are four phases: excitement, plateau, orgasm, and resolution. Most researchers consider the plateau phase to be the late part of excitement phase. Excitement: vasocongestion, which produces obvious arousal response in men-erection. Erection results when the corpora cavernosa and the corpus spongiosum ll (becoming engorged) with blood. As the man gets closer to orgasm, a few drops of uid secreted by the. Cowper"s gland appear the tip of the penis. At the same time time veins carrying blood away from the penis are compressed, restricting outgoing blood ow. The arteries dilate because the smooth muscle surrounding the arteries relaxes: multiple neurotransmitters are involved in this process especially, nitric oxide (no) .