Assertion: membranous urethra | /r/HasProperty | 1 to 2 cm long
Facets:
Source sentences:
text: The membranous urethra is 1 to 2 cm long and extends from the tip of the prostate to the bulb of the penis located at its upper end.
text: The membranous urethra is about 1 to 2 centimeters long and the shortest part of the male urethra.