An open sore on an external or internal surface of the body, caused by a break in the skin or mucous membrane that fails to heal
something to soothe the ulcers in his mouth
A lesion in the lining (mucosa) of the digestive tract, typically in the stomach or duodenum, caused by the digestive action of pepsin and stomach acid
A slow-growing malignant tumor of the face (basal cell carcinoma)
Technical term for bedsore.