Bio 449 Lecture 32 Male Reproductive Physiology Male

Bio 449 Lecture 32 – Male Reproductive Physiology Male reproductive anatomy Hormonal pathways Spermatogenesis Transport of sperm Erection Ejaculation Terms to Know Leydig cells Sertoli cells Testosterone Inhibin Spermatogenesis Seminiferous tubules Lumen Readings Lectures 29 -31: Chapter 21 Nov. 29, 2010 Terms to Know Spermatogonia Spermatids Spermatozoa (sperm) Flagellum Testis (pl. testes) Epididymis Vas deferens Ejaculatory duct Prostate gland Seminal vesicle Bulbourethral gland Urethra Penis Erectile tissue Erection Emission Semen Ejaculation Orgasm

Testicular anatomy Head of epididymis Seminiferous tubule Epididymis Vas deferens Scrotal cavity Fig. 26 -9

Seminiferous tubule Capillary Sertoli cell Leydig cell Spermatogonium Fig. 26 -9

Seminiferous tubule Lumen of seminiferous tubule Spermatids Secondary spermatocyte Primary spermatocyte Spermatogonium Spermatozoa Sertoli cells Basal lamina Capillary Leydig cells Fig. 26 -9

Spermatozoan structure Head Acrosome contains enzymes Mid piece Nucleus Centrioles Mitochondrial spiral Tail (flagellum) Microtubules Fig. 26 -9

Male reproductive anatomy Pubic symphysis Vas deferens Ejaculatory duct Urethra Penis Epididymis Testis Scrotum Fig. 26 -9 Ureter Urinary bladder Seminal vesicle Rectum Prostate gland Bulbourethral gland