Named after: Burrill Crohn, American gastroenterologist. 
- a chronic inflammatory condition of the gastrointestinal tract, often affecting the ileum and coron.

- symptoms include: abdominal pain, diarrhea, weight loss, and malnutrition. It is a type of inflammatory bowel disease (IBD)

Named after: Augustin Nicolas Gilbert, a French physician.

- a hereditary liver disorder resulting in mildly elevated bilirubin levels, typically without significant symptoms. It is often detected incidentally during routine blood tests and is usually benign.