from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun 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.
- noun anatomy The upper part of the
intestine, between the stomachand the large intestine, divided into the duodenum, the jejunumand the ileum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the longest part of the alimentary canal; where digestion is completed
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