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omasa

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o⋅ma⋅sum

[oh-mey-suhm]
–noun, plural -sa [-suh] ,
the third stomach of a ruminant, between the reticulum and the abomasum; the manyplies.


Origin:
1700–10; < NL, L omāsum bullock's tripe
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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o·ma·sum   (ō-mā'səm)   
n.   pl. o·ma·sa (-sə)
The third division of the stomach of a ruminant animal, located between the abomasum and the reticulum. Also called manyplies.

[Latin omāsum, bullock's tripe, probably of Celtic origin.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: oma·sum
Pronunciation: O-'mA-s&m
Function: noun
Inflected Form: plural oma·sa /-s&/
: thethird chamber of the ruminant stomach that is situated between the reticulum and the abomasum called also manyplies, psalterium; —compare RUMEN
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
omasum   (ō-mā'səm)  Pronunciation Key 
Plural omasa
The third division of the stomach in ruminant animals. It removes excess water from food and further reduces the size of food particles before passing them to the abomasum for digestion by enzymes. See more at ruminant.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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