From Ancient Greek πύελος (púelos, “infundibulum”). <span class="searchmatch">pyelum</span> (anatomy) renal pelvis pyeloscopy...
Wikipedia has an article on: pyeloscopy Wikipedia medical examination of the <span class="searchmatch">pyelum</span>, or renal pelvis, allowing visualisation of the entire drainage system of...
singular plural nominative pyelus pyelī genitive pyelī pyelōrum dative pyelō pyelīs accusative <span class="searchmatch">pyelum</span> pyelōs ablative pyelō pyelīs vocative pyele pyelī...