The branch of medicine that studies diseases and conditions of the liver and bile ducts.
From hepatic- (relating to the liver) + -logy (study or science of, from Greek logos). Like other -logy terms, this was formalized in the 19th-20th centuries as medicine became increasingly specialized into focused disciplines.
The more common term today is simply 'hepatology,' but hepaticology specifically highlights the importance of the ducts that carry bile out of the liver—a reminder that sometimes the plumbing matters just as much as the organ itself.
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