part of part of located in located in contributes to morphology of male urethra prostatic urethra pars prostatica urethrae BTO:0003163 male prostatic urethra Wikipedia:Prostatic_urethra UBERON:0001335 prostatic part of urethra NCIT:C13101 MA:0002646 The widest and most dilatable part of the male urethra canal which runs almost vertically through the prostate from its base to its apex, lying nearer its anterior than its posterior surface; this portion of the urethral canal is spindle-shaped, being wider in the middle than at either extremity, and narrowest below, where it joins the membranous portion; it is lined by transitional epithelium and contains in its posterior wall, or floor, the orifices of the prostatic utricle, ejaculatory ducts, and prostatic ducts, collectively known as the seminal colliculus (aka verumontanum). FMA:19673 prostatic part of male urethra EMAPA:30942 SCTID:279434009 prostate gland subdivision of tube