duodenoscope

noun

du·​o·​de·​no·​scope ˌd(y)ü-ə-ˈdē-nə-ˌskōp 

: a long, flexible endoscope that is inserted through the mouth and is used to visually examine and pass instruments into the duodenum

The FDA issued a "safety communication" … warning that the design of duodenoscopes used in procedures known as endoscopic retrograde cholangiopancreatography, or ERCP, may impede effective cleaning.

—JoNel Aleccia, The Seattle Times

duodenoscopy

ˌd(y)ü-ə-də-ˈnä-skə-pē 

noun

plural duodenoscopies