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cecum

(SEE-kum)
A pouch that forms the first part of the large intestine. It connects the small intestine to the colon, which is part of the large intestine.
Drawing shows the cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, and anal canal. Also shown is the small intestine.Enlarge this image in new window
The cecum connects the small intestine to the colon. The colon includes the ascending colon, transverse colon, descending colon, and sigmoid colon. The sigmoid colon connects to the rectum and anal canal, which leads to the outside of the body.
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