Burrill Bernard Crohn with inflammatory bowel disease, including Crohn's disease. He was elected president of the American Gastroenterological Association in 1932. He received numerous awards and professional honors, wrote extensively for doctors and the general public, and was asked to consult on high-profile patients from all over the US and abroad, including President Dwight D. Eisenhower in 1956. During his career, Crohn wrote three books, "Affections of the Stomach" (1927), "Understand Your Ulcer" (1943), and "Regional Ileitis" (1947, second edition 1958). He also wrote more than 100 articles for professional journals. When asked why he went into medicine, Crohn said he wanted to
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