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).
The Morphospecies Concept. Humans are a visual species and applying visual criteria is a ânaturalâ way to distinguish types. Morphological features can be seen and preserved in dead individuals. Preserved individuals in museums provided a reference collection, fostering commonality in name usage.