Function of the male genitalia including orgasmic response

The physiology of the male genitalia is a distinctively complex topic that requires an understanding of intricate mechanisms. Comprised of the penis, scrotum, testes, epididymis and vas deferens, the male genitalia performs in reproductive, excretory, and sexual capacities. This chapter enables reconstructive surgeons to fully appreciate these functions, ultimately facilitating the best care for patients experiencing any degree of sexual dysfunction. Given the high prevalence of male sexual disorders, a comprehensive background in the physiology of ejaculation and the orgasmic response is essential. Reconstructive surgeons must remain proficient in these mechanisms, as continued research to elucidate the causes and alternative pathways for treatment of sexual disorders will lead to successful surgical outcomes.