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Related to prostatic urethra: Membranous urethra, prostatic utricle
the prostatic part of the male urethra, about 2.5 cm in length, that traverses the prostate; it includes the seminal colliculus, and the ejaculatory and prostatic ducts open into it.
Synonym(s): pars prostatica urethrae [TA]
That part of the male urethra surrounded by the prostate gland.