PSY 3122 Lecture Notes - Lecture 10: Vas Deferens, Seminiferous Tubule, Seminal Vesicle
Document Summary
Vasocongestion results in penile erection and vaginal lubrication. Briefest phase, characterized by muscle spasm, ejaculation in males, vaginal and uterine contraction in females. Sexual system returns to its unaroused state. Rmness and angle of penis are key. Suspensory ligament acts as as spring during erection and penetration to keep it at the right angle. If penis is not suf ciently rm, it may slide out. If this keeps happening, man may have erectile dysfunction. Woman"s pubic bone acts as a fulcrum to push the penis down. Up to beginning of 20th century, castration was performed to maintain singing voice of men (so it didn"t lower at puberty due to androgens) In china, used to castrate own children to give them a better chance in life. Might be allowed to work at royal palace. Eunuch > someone who has been castrated. Ancient greeks considered small penses more pleasing and better for conception. Many men believe their penis is smaller than average.