An ulcer is a sore area on the outside or inside of your body which is very painful and may bleed or produce an unpleasant poisonous substance. stomach ulcers. a sore area on your skin or inside your body that may bleed or produce poisonous substances (ulcus). Concave sore on the skin or lining of an organ, with well-defined, sometimes raised edges. Erosion of surface tissue may extend to deeper layers. The main symptom is pain. The term most often refers to peptic ulcer but also includes skin ulcer, common on legs with varicose veins and the feet of people with diabetes mellitus (when nerve damage has reduced sensation), and decubitus ulcer (bedsore or pressure sore). Other causes include infection, trauma (e.g., burn, frostbite), improper nutrition (e.g., thiamine deficiency), and cancer (likely in ulcers hard to the touch). Skin ulcers over a month old should be checked for cancer, especially after middle age
An open sore on the skin unpasteurised food or drink that has not been pasteurised Pasteurisation is a process of heating which destroys harmful bacteria
An open area on the skin usually extending to dermis, the layer below the skin These can be caused by pressure, vasculitis, trauma, and made difficult to treat if you smoke, have congestive heart failure, liver disease or diabetes
A loss of the superficial layer of the skin or mucous membranes in a localized area, usually associated with redness, serious moisture, and irritation until scabbing occurs
An open sore on the skin or mucous membrane characterized by the disintegration of the tissue and often the discharge of pus (leishmaniasis, amebiasis, Dracunculus infections)
A lesion in the skin or mucous membrane Disintegration and necrosis of the tissues Often caused as a direct result of an infection or a lesion caused by physical damage that has failed to heal and become infected
A break in the skin; a deep sore People with diabetes may get ulcers from minor scrapes on the feet or legs, from cuts that heal slowly, or from the rubbing of shoes that do not fit well Ulcers can become infected
A solution of continuity in any of the soft parts of the body, discharging purulent matter, found on a surface, especially one of the natural surfaces of the body, and originating generally in a constitutional disorder; a sore discharging pus