A condition characterized by inflammation of the gallbladder is known as:

Cholecystitis is the condition characterized by inflammation of the gallbladder. This inflammation can occur for several reasons, but it is most commonly associated with the presence of gallstones, which can block the cystic duct and lead to a buildup of bile. The symptoms often include abdominal pain, nausea, and vomiting, particularly after eating fatty meals.

In contrast, gastritis refers to inflammation of the stomach lining, hepatitis refers to inflammation of the liver, and pancreatitis refers to inflammation of the pancreas. Each of these conditions affects different organs and manifests with its own set of symptoms that are distinct from those of cholecystitis. Understanding the specific organ and the corresponding condition is crucial for diagnosis and treatment.