The small bowel has long been considered a black box for endoscopists because of its long length and the presence of multiple complex loop. Most of the small bo
Ehlers-Danlos syndrome (EDS) is a group of inherited connective tissue disorders caused by collagen synthesis defects. EDS type Ⅳ, or vascular EDS, is caused b
The colorectal mucosa includes two quantitatively, structurally and functionally dissimilar areas: one, built with columnar and goblet cells, covers the vast ma