Decubitus ulcer and Ulceration

Decubitus ulcer noun - A chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients).

Ulceration and decubitus ulcer are semantically related. In some cases you can use "Ulceration" instead a noun phrase "Decubitus ulcer".

Ulceration noun - The process of ulcer formation; the process of becoming ulcerated.

Decubitus ulcer and ulceration are semantically related. You can use "Decubitus ulcer" instead a noun "Ulceration".