Psychology 2075 Study Guide - Non-Penetrative Sex, Sympathetic Nervous System, The Reflex
Document Summary
Sex reasearchers masters and jonhson provided one of the first models of the physiology of sexual response. Sexual response progresses in three stages, excitement, orgasm, and resolution. Men: the physiological process that occurs is vasocongestion that will produce erection, which result when the corpora cavernosa and the copus spongiosum fill with blood. Multiple neurotransmitter are involved in this process, including nitric oxide (no). In fact, viagra act on the no system. Plateau: as the men gets closer to orgasm, a few drops of fluid secreted by the cowper"s gland appear at the tip of the penis. Also, the skin of the scrotum thickens, the scrotal sac tenses and the scrotum is pulled up and closer to the body. Excitement: lubrication of the vagina occurs as a result of vasocongestion. The vaginal lubrication results when fluids seep through the semipermeable membrane of the vagina walls, producing lubrication as a result of vasocongestion surrounding the tissues surrounding the vagina.
