an open sore on an external or internal surface of the body, caused by a break in the skin or mucous membrane which fails to heal. Ulcers range from small, painful sores in the mouth to bedsores and serious lesions of the stomach or intestine
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 tumour of the face (basal cell carcinoma)
technical term for bedsore.
ulcera f gastrica
ulcera f peptica
una llaga en la boca