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).
Amorphous, black or dark-brown material, a mixture of macromolecules based on benzene carboxylic and phenolic acids, often complexed with clays, which results from the decomposition of organic matter in soils. See moder, mor, mull,