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).
Linear or longitudinal furrows are mucosal grooves that run parallel to the long axis of the esophagus (Fig. 1c) and white plaques or exudates can coat the esophagus (Fig. 1d) and may mimic the appearance of candida. In some cases the mucosa appears pale, congested, or has decreased vascularity (Fig.ypical endoscopic findings in eosinophilic esophagitis. (a) Fixed esophageal rings, previously termed corrugation or trachealization. (b) Transient esophageal rings, previously termed felinization. (c) Linear furrows, as well as mucosal pallor, congestion, and loss of vascularity.