ECCENTRIC RELATION, ECCENTRIC POSITION: See: Occlusion, Eccentric. ECCHYMOSIS: An extravasation of blood into subcutaneous tissue or mucosa. ECOLOGY: The study of the relationships of organisms with other organisms and their environment. ECTODERMAL DYSPLASIA: See: Dysplasia, Ectodermal. EC TOPIC: Occurring in an unusual position, manner, or form, as in ectopic eruption. EDEMA: An abnormal swelling resulting […]