decubital ulcer

decubital ulcer
decubitus ulcer an ulcer caused by arterial occlusion or prolonged pressure, such as when a patient lies still in bed for a long period or is confined to a wheelchair; called also decubitus, bed sore, and pressure u. or sore.

Decubitus ulcer of the sacral area in an 85-year-old man, with exposure of the sacrum and necrosis of surrounding muscles.


Medical dictionary. 2011.

Look at other dictionaries:

  • Ulcer — An area of tissue erosion, for example, of the skin or lining of the gastrointestinal (GI) tract. Due to the erosion, an ulcer is concave. It is always depressed below the level of the surrounding tissue. Ulcers can have diverse causes. Ulcers on …   Medical dictionary

  • decubital — Relating to a decubitus ulcer. * * * de·cu·bi·tal di kyü bət əl adj 1) relating to or resulting from lying down <a decubital sore> 2) relating to or resembling a decubitus * * * de·cu·bi·tal (de kuґbĭ təl) pertaining to decubitus… …   Medical dictionary

  • Gangrene — The death of body tissue due to the loss of blood supply to that tissue, sometimes permitting bacteria to invade it and accelerate its decay. The word gangrene comes from the Greek ganggraina denoting an eating sore that ends in mortification (of …   Medical dictionary

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