part_of starts_at ends_at urogenital sinus urethra pelvic urethra EMAPA:30903 The pelvic urethra (PLUR) (TS:21-TS:22) is comprised of epithelium of pelvic urethra (eplur, subdivided into urogenital sinus ridge (UGS ridge) and rest of epithelium of pelvic urethra), mesenchymal layer of pelvic urethra (mlplur; divided into dorsal and ventral), nerve, developing vasculature, adventitia and from TS:22 muscle layer (muplur; divided into dorsal and ventral). Pelvic urethra is a part of the urinary system and is part of the urethra. The epithelium of pelvic urethra is contiguous with the epithelium of phallic urethra (caudally) and bladder urothelium (cranially). Derived from the caudal urogenital sinus (TS:20). Becomes the pelvic urethra of male/female from TS:23. EMAPA:30893 anatomical_structure lower urogenital tract TS21 TS28