Prostatic urethra
Widest and most dilatable part of the urethra canal From Wikipedia, the free encyclopedia
Widest and most dilatable part of the urethra canal From Wikipedia, the free encyclopedia
The prostatic urethra, the widest and most dilatable part of the urethra canal, is about 3 cm long.
| Prostatic urethra | |
|---|---|
 The male urethra laid open on its anterior (upper) surface. (Prostatic part labeled at upper right.) | |
| |
| Details | |
| Identifiers | |
| Latin | pars prostatica urethrae |
| TA98 | A09.4.02.004 |
| TA2 | 3445 |
| FMA | 19673 |
| Anatomical terminology | |
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.
The keyhole sign, in ultrasound, is associated with a dilated bladder and prostatic urethra.
This article incorporates text in the public domain from page 1234 of the 20th edition of Gray's Anatomy (1918)
 | This article related to the genitourinary system is a stub. You can help Wikipedia by expanding it. |
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