Definitions for mucositis
A complication of some cancer therapies in which the lining of the digestive system becomes inflamed. Often seen as sores in the mouth.
Origin: mucosa (mucus membrane) + -itis (inflammation)
U.S. National Library of Medicine
An INFLAMMATION of the MUCOSA with burning or tingling sensation. It is characterized by atrophy of the squamous EPITHELIUM, vascular damage, inflammatory infiltration, and ulceration. It usually occurs at the mucous lining of the MOUTH, the GASTROINTESTINAL TRACT or the airway due to chemical irritations, CHEMOTHERAPY, or radiation therapy (RADIOTHERAPY).