An ulcer caused by lack of blood, e.g. a bedsore.
A trophic ulcer is a type of sore that forms when skin nerves are damaged or destroyed due to illness or injury. These ulcers most frequently occur on the feet and can be a secondary issue in conditions like diabetes mellitus and Hansen’s disease.
An ulcer caused by a disruption in the nourishment of a body part, such as a varicose ulcer.