BY 32 – SPRING 2002

LECTURE 22: THE MALE REPRODUCTIVE SYSTEM

Study Outline

Answers

22.1. Overview to the Male Reproductive System:

a. germ cells; sex hormones

b. gonad; testis

c. epididymis; vas deferens; ejaculatory duct; urethra

d. semen; seminal vesicles; bulbourethral; prostate

22.2. The Scrotum and Spermatic Cord:

a. scrotum

b. spermatic cord; inguinal canal

c. pampiniform plexus; location; veins; tunica dartos; cremaster; internal oblique muscle

22.3. The Testis:

a. tunica vaginalis; tunica albuginea

b. seminiferous tubule; Sertoli; spermatogenesis

c. blood-testis; basal; adluminal; adluminal

d. Leydig; androgen

e. straight tubules; rete testis; efferent ductules

22.4. Epididymis, Vas deferens, Ejaculatory Ducts, and Urethra:

a. epididymis; head; body; tail

b. pseudostratified; maturation

c. vas deferens; pelvic; vasectomy

d. ejaculatory duct; prostate

e. prostatic; membranous; penile

22.5. Accessory Glands:

a. seminal vesicles; fructose; female reproductive tract

b. prostate

c. bulbourethral

22.6. The Penis:

a. external

b. root; body; glans; foreskin; circumcision

c. corpora cavernosa; corpus spongiosum

d. venous; erection

22.7. Spermatogenesis:

a. puberty

b. 70; 300

c. type A pale spermatogonium; A pale; type B spermatogonium; type A dark; basal; type B

d. primary spermatocytes; secondary spermatocytes

e. spermiogenesis; acrosome; flagellum

f. head; middle piece; tail; middle piece

22.8. Endocrine Regulation:

a. hypothalamus-pituitary-testis

b. gonadotropin releasing hormone (GnRH); gonadotropes

c. luteining hormone (LH); follicle stimulating hormone (FSH); testis

d. Leydig; androgens

e. Sertoli; androgen binding protein; metabolic

f. GnRH; LH; FSH; inhibin

g. testosterone; dihydrotestosterone (DHT); nucleus; gene transcription

h. development of male internal and external genitalia; development of male secondary sex characteristics; anabolism of various tissues; development of sexual function

22.9. The Male Sexual Response:

a. erection; ejaculation

b. parasympathetic; nitric oxide; bulbourethral; impotence

c. emission; ejaculation proper; sympathetic

d. vas deferens; urethra; seminal vesicles; prostate

e. ejaculation proper; bulbospongiosus