| Urethral crest | |
|---|---|
 The male urethra laid open on its anterior (upper) surface. (Urethral crest labeled at upper right.) | |
 Dissection of prostate showing prostatic urethra and urethral crest on posterior wall | |
| Details | |
| Identifiers | |
| Latin | crista urethralis urethrae masculinae, crista urethralis urethrae femininae |
| TA98 | A09.2.03.004 A09.4.02.007 |
| TA2 | 3430,3446 |
| FMA | 19718 |
| Anatomical terminology | |
Theurethral crest is an anatomical feature present in theurinary system of both males and females.
In males, the urethral crest is known as thecrista urethralis masculinae, or thecrista phallica, and is a longitudinal fold on the posterior wall of theurethra extending from theuvula of the bladder through theprostatic urethra.[1]It is from 15 to 17 mm. in length, and about 3 mm. in height, and contains muscular and erectile tissue.When distended, it may serve to prevent the passage of thesemen backward into thebladder.[2]
In females, it is known as thecrista urethralis femininae, and is a conspicuous longitudinal fold ofmucosa on the posterior wall of the urethra.[3]
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