Lab 17 - Image 17

Boar genitalia. 1, vesicular gland; 2, bulbourethral gland covered dorsally by urethralis muscle fibers; 3, pelvic urethra; 4, ischiocavernosus m.; 5, external anal sphincter m.; 6, retractor penis m. attaching to the sacrum; 7, cremaster m. attaching to the vaginal tunic; 8, proximal loop of sigmoid flexure; 9, distal loop of the sigmoid flexure; 10, free end of the penis within the preputial space; 11, preputial diverticulum (a.k.a. stink bag); 12, bladder; 13, ductus deferens; 14, colon/rectum; 15, testis.