Structure of the mucosa of the small intestine as it relates to intestinal function.
D004847:Epithelial Cells; D006801:Humans; D007408:Intestinal Absorption / Q000502:physiology*; D007413:Intestinal Mucosa / Q000166:cytology* / Q000378:metabolism; D007421:Intestine, Small / Q000502:physiology*; D008286:Malabsorption Syndromes / Q000503:physiopathology; D008854:Microscopy, Electron