rumen

/'ru:min/

Thân thiện

A cow chews its cud, which has been brought back from the rumen.

Definition

1. Noun:
   • The first stomach compartment of a ruminant animal: The "rumen" is the large, first chamber of the stomach in animals like cows, sheep, and goats. It serves as a fermentation vat where plant material is broken down by microorganisms before being regurgitated for further chewing.

Usage Examples

• Noun:
  • The cow's rumen contains billions of bacteria and protozoa that help digest cellulose.
  • Veterinarians can assess the health of a herd by examining the contents of a rumen sample.

Advanced Usage

• "Rumen microbiology": The study of the microorganisms living in the rumen.

  • Advances in rumen microbiology have led to more efficient animal feeds.

• "Rumen fermentation": The anaerobic digestive process occurring in the rumen.

  • Rumen fermentation produces volatile fatty acids, which are a major energy source for the animal.

Variants and Related Words

• Ruminal (adj): Pertaining to the rumen.

  • The vet diagnosed a ruminal infection.

• Ruminant (n): An animal, such as a cow or deer, that has a rumen and chews cud.

  • Cattle are classic examples of ruminants.

Synonyms

• First stomach
• Paunch (though this can be a more general term for a stomach or belly)

Related Phrases

(This word is a specific anatomical term and does not commonly form phrasal verbs or idioms.)

Học thuật

Noun

1. the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing

Từ đồng nghĩa

• first stomach