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).
Generalized morphea is a more severe, although less common, condition than localized morphea. Large dark patches of thick, tight skin form on the trunk, arms and legs, and can be so extensive that they merge into one another.