Definition of abomasum in English:

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abomasum

Pronunciation: /ˌabəˈmāsəm/

noun (plural abomasa /-sə/)

Zoology
The fourth stomach of a ruminant, which receives food from the omasum and passes it to the small intestine.
Example sentences
  • Rennet is derived from the abomasum (fourth stomach) of newly born calves.
  • The usual source is the lining of the fourth stomach (the abomasum or true stomach) of a calf, though other young animals may be used.
  • This ensures that during suckling milk is channeled directly to the abomasum bypassing wasteful ruminal fermentation.

Origin

Late 17th century: modern Latin, from ab- 'away, from' + omasum (see omasum).

For editors and proofreaders

Syllabification: ab·o·ma·sum

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