title: Roentgen appearance of prostatic channels in infancy and childhood.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003558:Cystoscopy; D004543:Ejaculatory Ducts / Q000000981:diagnostic imaging* / Q000196:embryology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011467:Prostate / Q000033:anatomy & histology / Q000000981:diagnostic imaging* / Q000196:embryology; D012669:Seminal Vesicles / Q000196:embryology; D014554:Urination; D014567:Urography