Aphthous stomatitis mouth, with or without oral ulceration. It may describe many different conditions apart from aphthous stomatitis such as angular stomatitis. The current most widely used medical term is "recurrent aphthous stomatitis" or simply "aphthous stomatitis". Historically, many different terms have been used to refer to recurrent aphthous stomatitis or its sub-types, and some are still in use. Mikulicz' aphthae is a synonym of minor RAS, named after Jan Mikulicz-Radecki. Synonyms for major RAS include Sutton's ulcers (named after Richard Lightburn Sutton), Sutton's disease, Sutton's syndrome and pariadenitis mucosa necrotica recurrens. Synonyms for aphthous stomatitis as a whole include (recurrent) oral
Supernumerary body part Supernumerary body part Supernumerary body parts are most commonly a congenital disorder involving the growth of an additional part of the body and a deviation from the body plan. Body parts may be easily visible or hidden away, such as internal organs. Many additional body parts form by the same process as conjoined twins: the zygote begins to split but fails to completely separate. This condition may also be a symptom of repeated occurrences of continuous inbreeding in a genetic line. Specific types of additional body parts include: Vestigial structures are anatomical structures of organisms in a species which are