PSYC 250 Lecture Notes - Lecture 4: World Health Organization, Prostatectomy, Ejaculatory Duct
Document Summary
The penis (consists of the glans, root, and the scrotum) Testicles, epididymis, vas deferens, seminal vesicles, prostate gland, cowper"s glands. Contains urethra for urine and semen transport. Becomes erect to better penetrate the vagina and deposit sperm near the os. Composed of three cylinders of erectile tissue. Male circumcision is practised in many parts of the world, and the world health. Organization estimates that 30% of men are circumcised. Loose, wrinkled pouch beneath the penis containing the testicles. Functions to keep the testicles 3 degrees celsius cooler than the body"s temperature to keep sperm viable. Cremaster muscle moves the scrotum closer to or farther from the body (protects) The production of sperm, which begins at puberty. Sperm morphology includes: form and structure and motility, and semen volume, change and decline beginning in a man"s 20s and continues over the lifespan.
