small intestine http://upload.wikimedia.org/wikipedia/commons/8/82/Stomach_colon_rectum_diagram.svg NCIT:C12386 MA:0000337 intestinum tenue Subdivision of digestive tract that connects the stomach to the large intestine and is where much of the digestion and absorption of food takes place (with the exception of ruminants). The mammalian small intestine is long and coiled and can be differentiated histologically into: duodenum, jejunem, ileum[WP,cjm,Kardong]. TAO:0001323 The terminal region of the mid intestine is comprised of specialized enterocytes that appear to play a role in mucosal immunity. Wallace et al, 2005.[TAO] anterior intestine EFO:0000841 EMAPA:32834 mid intestine MAT:0000047 XAO:0000130 UBERON:0002108 FMA:7200 MIAA:0000047 galen:SmallIntestine ZFA:0001323 MESH:A03.492.411.620 CALOHA:TS-0942 VHOG:0000055 GAID:313 Intestinal surface area also is increased in amphibians and reptiles by internal folds and occasionally by a few villi. The intestine can be divided into a small intestine and a slightly wider large intestine.[well established][VHOG] small bowel uberon UMLS:C0021852 BTO:0000651 OpenCyc:Mx4rvVjlIJwpEbGdrcN5Y29ycA small intestine AAO:0010397 EV:0100072 subdivision of digestive tract digestive system element