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The ileum (/ ˈ ɪ l i əm /) is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish , the divisions of the small intestine are not as clear and the terms posterior intestine or distal intestine may be used instead of ileum. [ 2 ]
lower duodenum, jejunum, ileum, cecum, appendix, ascending colon, and first two-thirds of the transverse colon: branches of the superior mesenteric artery: Hindgut: last third of the transverse colon, to the upper part of the anal canal: last third of the transverse colon, descending colon, rectum, and upper part of the anal canal
The ileum joins to the cecum of the large ... This cross section diagram shows the 4 layers of the small intestine wall. ... From colon 1 the ascending and transverse ...
The following 28 pages use this file: Appendicitis; Appendix (anatomy) Axial twist theory; Diarrhea; Distal intestinal obstruction syndrome; Duodenum; Esophagus
Cecum and beginning of ascending colon. The cecum is a pouch marking the division between the small intestine and the large intestine. It lies below the ileocecal valve in the lower right quadrant of the abdomen. [33] The cecum receives chyme from the last part of the small intestine, the ileum, and connects to the ascending colon of the large ...
The appendix has a mucosa resembling the colon but is heavily infiltrated with lymphocytes. Transition between the different types of epithelium occurs at the junction between the oesophagus and stomach; between the stomach and duodenum, between the ileum and caecum, and at the pectinate line of the anus. [1]
The colon (progressing from the ascending colon to the transverse, the descending and finally the sigmoid colon) is the longest portion of the large intestine, and the terms "large intestine" and "colon" are often used interchangeably, but most sources define the large intestine as the combination of the cecum, colon, rectum, and anal canal.
The transverse mesocolon is that section of the mesentery attached to the transverse colon that lies between the colic flexures. The sigmoid mesocolon is that region of the mesentery to which the sigmoid colon is attached at the gastrointestinal mesenteric margin. The mesoappendix is the portion of the mesentery connecting the ileum to the ...