from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The narrow, winding, upper part of the intestine where digestion is completed and nutrients are absorbed by the blood. It extends from the pylorus to the cecum and consists of the duodenum, the jejunum, and the ileum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The upper part of the intestine, between the stomach and the large intestine, divided into the duodenum, the jejunum and the ileum.
from the GNU version of the Collaborative International Dictionary of English
- n. the upper portion of the bowel, in which the process of digestion is practically completed. It is narrow and contorted, and consists of three parts, the duodenum, jejunum, and ileum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the longest part of the alimentary canal; where digestion is completed
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