renal convoluted tubule convoluted tubule UMLS:C1707510 MA:0001665 EMAPA:35725 SCTID:361333002 kidney convoluted tubule uberon UBERON:0006534 Any region of a nephron tubule that is convoluted. Examples: distal convoluted tubule, proximal convoluted tuble. NCIT:C49479 Wikipedia:Convoluted_tubule region of nephron tubule