1 — Scrotum; 2 — Epididymis; 3 — Male urethra, intermediate part of urethra; membranous urethra; 4 — Corpus spongiosum penis; Bulb of penis; 5 — Bulbo-urethral gland; 6 — Male urethra, prostatic urethra; 7 — Prostate; 8 — Ejaculatory duct; 9 — Seminal gland; Seminal vesicle; 10 — Male urethra; 11 — Ductus deferens; Vas deferens; 12 — Median umbilical ligament; 13 — Pubic symphysis; 14 — Corpus cavernosum penis; 15 — External urethral sphincter; 16 — Male urethra, spongy urethra; 17 — Penis; 18 — Glans penis; 19 — Navicular fossa; 20 — External urethral orifice; External urinary meatus; 21 — Testis; 22 — Deep artery of penis; 23 — Urethral glands; 24 — Seminal colliculus; 25 — Prostatic ducts; 26 — Urinary bladder; 27 — Male urethra, intramural part; preprostatic part; internal urethral orifice; 28 — Urethral ampulla; 29 — Crus of penis; 30 — External urethral orifice; External urinary meatus; Urethral crest; 31 — Prepuce; Foreskin