incumbent. adj. 1. (often: postpositive and foll by on or upon and an infinitive) morally binding or necessary; obligatory: it is incumbent on me to attend.
Morphea, also known as localized scleroderma, is a condition which causes hardening and discoloration of the skin. It is thought to be isolated to the skin without internal organ involvement as seen in systemic sclerosis (commonly known as scleroderma).
Morphea is a skin condition known as a scleroderma, meaning hard skin.. The skin becomes thick and hard because it contains too much collagen and other proteins. There are two types of scleroderma, a systemic type and a localized type.