cholangiographyyoudaoicibaDictYouDict[cholangiography 词源字典]
"X-ray examination of the bile ducts, used to locate and identify an obstruction", 1930s: coined in Spanish from Greek khole 'bile' + angeion 'vessel' + -graphia (see -graphy).[cholangiography etymology, cholangiography origin, 英语词源]