Mosby items and derived items © 2007, 2003 by Mosby, Inc.Slide 25 Large Intestine  Size of the large intestine—average diameter, 6 cm; length, approximately 1.5 to 1.8 m  Divisions of the large intestine  Cecum—first 5 to 8 cm of large intestine, blind pouch located in lower right quadrant of abdomen  Colon Ascending colon—vertical position on right side of abdomen; ileocecal valve prevents material passing from large intestine into ileum Ascending colon—vertical position on right side of abdomen; ileocecal valve prevents material passing from large intestine into ileum Transverse colon passes horizontally across abdomen, above small intestine; extends from hepatic flexure to splenic flexure Transverse colon passes horizontally across abdomen, above small intestine; extends from hepatic flexure to splenic flexure Descending colon—vertical position on left side of abdomen Descending colon—vertical position on left side of abdomen Sigmoid colon joins descending colon to rectum Sigmoid colon joins descending colon to rectum Rectum—last 7 or 8 inches of intestinal tube; terminal inch is anal canal with opening called the anus (Figure 25-17) Rectum—last 7 or 8 inches of intestinal tube; terminal inch is anal canal with opening called the anus (Figure 25-17)
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