1 — Promontory; 2 — Sigmoid colon; 3 — Coccyx [coccygeal vertebrae CoI — CoIV]; 5 — Rectum; 4 — Urinary bladder; 8 — Male urethra, prostatic urethra; 6 — Pubic symphysis; 7 — Prostate; 9 — Male urethra, intermediate part of urethra; membranous urethra; 10 — Internal urethral sphincter; 11 — Male urethra, spongy urethra; 12 — Glans penis; 13 — External urethral orifice; External urinary meatus; 14 — Testis;
15 — Scrotum; 16 — Anus
