the intestinal epithelium is the single cell layer that form the luminal surface of intestine (colon)

purple organ pink flower circle violet pattern intestinal epithelium single cell layer form luminal surface intestine colon gastrointestinal tract rendering appendix intestine luminal microvilli villus colon epithelial cells gastrointestinal intestines large body parts cell layer circular gut human body internal organs epithelium gland muscle organ small stomach surface tissue