gastroenterology

From Ancient Greek γαστήρ (gastḗr, “belly”) + Ancient Greek ἔντερον (énteron, “intestine”) + Ancient Greek -λογία (-logía). By surface analysis, gastro- +‎ enterology.

gastroenterology (uncountable)

1. (medicine) The study of the digestive system, from the mouth to the anus; may also include the study of accessory organs: pancreas, liver, gallbladder and bile ducts.
   • 2023 May 26, Jacqueline Howard and Kyla Russell, “As colorectal cancer rises among younger adults, some seek colonoscopies earlier”, in CNN‎^[1]:

     One insurance company, UnitedHealthcare, has announced that starting in June, members with commercial plans seeking gastroenterology endoscopy services – including colonoscopies – will be required to have “prior authorizations” for those services.

• gastroenterologist