|The male urethra laid open on its anterior (upper) surface. (Prostatic part labeled at upper right.)|
|1: Vas deferens
2: Seminal vesicle
3: Base of the prostate
4: Apex of the prostate
5: Prostatic urethra
|Latin||pars prostatica urethrae|
|Gray's||subject #256 1234|
The prostatic urethra, the widest and most dilatable part of the urethra canal, is about 3 cm. long.
It runs almost vertically through the prostate from its base to its apex, lying nearer its anterior than its posterior surface; the form of the canal is spindle-shaped, being wider in the middle than at either extremity, and narrowest below, where it joins the membranous portion.
A transverse section of the canal as it lies in the prostate is horse-shoe-shaped, with the convexity directed forward.
- Prostatic+urethra at eMedicine Dictionary
- SUNY Cross Section malepel2-4
- Cross section at UV pelvis/pelvis-e12-15
- Anatomy photo:44:05-0201 at the SUNY Downstate Medical Center - "The Male Pelvis: The Prostate Gland"
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