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Membranous urethra
| Membranous urethra | |
|---|---|
 The male urethra laid open on its anterior (upper) surface. (Membranous part labeled at upper right.) | |
 Dissection of the prostate showing the prostatic and membranous portions of the urethra (unlabeled) | |
| Details | |
| Identifiers | |
| Latin | pars intermedia urethrae masculinae, pars membranacea urethrae masculinae |
| FMA | 19674 |
| Anatomical terminology | |
The membranous urethra or intermediate part of male urethra is the shortest, least dilatable, and, with the exception of the urinary meatus, the narrowest part of the urethra.[citation needed] It extends from the apex of the prostate proximally to the bulb of urethra distally. It measures some 12 mm in length. It traverses the pelvic floor. It is surrounded by the external urethral sphincter, which is in turn envelopped by the superior fascia of the urogenital diaphragm.[1]
- ^ "partie membraneuse de l'urèthre - Dictionnaire médical de l'Académie de Médecine". www.academie-medecine.fr. Retrieved 2024-05-20.
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