pressure ulcer Pressure ulcers tend to affect persons with reduced mobility who are bedridden or wheelchair-bound. Decubitus Ulcer HP:0012399 2013-11-08T08:49:52Z UMLS:C0011127 http://purl.obolibrary.org/obo/hp/releases/2024-07-01/hp.owl Pressure Sore SNOMEDCT_US:420226006 Bedsore Pressure ulcer SNOMEDCT_US:399912005 A type of ulcer that is caused when an area of skin is subject to pressure over a prolonged period of time, ranging in range in severity from patches of discolored skin to open wounds that expose the underlying bone or muscle. The most common sites are the sacrum, coccyx, heels and the hips. skin ulcer