human_reference_atlas Homo sapiens organ part prostatic urethra http://upload.wikimedia.org/wikipedia/commons/d/d7/Gray1142.png https://ccf-ontology.hubmapconsortium.org/objects/v1.2/VH_M_Urethra.glb BTO:0003163 uberon AS UBERON:0001335 pars prostatica urethrae prostatic part of urethra NCIT:C13101 MA:0002646 prostatic urethra EMAPA:30942 pars prostatica urethrae male prostatic urethra Wikipedia:Prostatic_urethra prostatic urethra 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 UMLS:C0458450 SCTID:279434009 prostate gland