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Laboratory 44. The Male Pelvis
Step 8. Structures Located Posterior to the Urinary Bladder

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  • ejaculatory ducts beginning just above the base of the prostate gland. They are formed by the union of the excretory duct of seminal vesicle and the ampulla of ductus deferens. The ejaculatory ducts pierces the posteroinferior surface of the prostate gland and empties to the prostatic urethra.

Identify the pelvic portion of the ureter and follow its course as it descends from the abdomen into the pelvis. Observe that the ureter crosses the ductus deferens superiorly.

Links and References:
Grant's: 3.31
Netter (1ed.): 362 (2ed.): 358
Rohen/Yokochi: 317, 318, 322