Assertion: prostatic urethra | /r/CapableOf | begin at internal orifice
Facets:
Source sentences:
text: The prostatic urethra is approximately 3 to 4 cm long and begins at the internal orifice at the bladder neck and extends through the prostate to the prostatic apex.2 Most prostatic ducts open along the posterior and lateral walls of the prostatic urethra adjacent to the urethral crest, the longitudinal ridge along the dorsal wall of the prostatic urethra.