Definition of rumen in English:

rumen

nounPlural rumina, Plural rumens ˈruːmɛnˈrumən

Zoology

The first stomach of a ruminant, which receives food or cud from the oesophagus, partly digests it with the aid of bacteria, and passes it to the reticulum.
〔动〕瘤胃（反刍动物的第一胃）
Example sentencesExamples
- When calves are fed milk it is funnelled through the oesophageal groove to the true stomach, bypassing the rumen.
- Energy from the grain apparently helps complete the conversion of nitrate to bacterial protein in the rumen.
- Added fat at levels at or above 5% of the diet has been reported to impair fiber digestion in the rumen and to depress feed intake.
- So mammals are unable to digest cellulose, except some ruminants that have cellulase-secreting bacteria in their rumens.
- He was interested in improving digestive processes within the rumen, the first of the four stomachs of ruminant animals, where cellulose is broken down by bacteria.

Derivatives

ruminal

adjective ˈruːmɪn(ə)lˈrumən(ə)l

Zoology

Relating to the rumen or first stomach of a ruminant.
ovine ruminal fluid
Example sentencesExamples
- gas production during ruminal digestion
- Few studies have been conducted to examine the effects of live yeast products on in vitro mixed ruminal microorganism fermentation.
- Low quality forage also can negatively affect reproduction by decreasing efficiency of ruminal N utilization caused by limited energy supply.
- The effects of both S. cerevisiae supplements on the fermentation of soluble starch by mixed ruminal microorganisms are shown in Table 4.

Origin

Early 18th century: from Latin, literally 'throat'.

Definition of rumen in US English:

rumen

nounˈro͞omənˈrumən

Zoology

The first stomach of a ruminant, which receives food or cud from the esophagus, partly digests it with the aid of bacteria, and passes it to the reticulum.
〔动〕瘤胃（反刍动物的第一胃）
Example sentencesExamples
- When calves are fed milk it is funnelled through the oesophageal groove to the true stomach, bypassing the rumen.
- So mammals are unable to digest cellulose, except some ruminants that have cellulase-secreting bacteria in their rumens.
- Added fat at levels at or above 5% of the diet has been reported to impair fiber digestion in the rumen and to depress feed intake.
- Energy from the grain apparently helps complete the conversion of nitrate to bacterial protein in the rumen.
- He was interested in improving digestive processes within the rumen, the first of the four stomachs of ruminant animals, where cellulose is broken down by bacteria.

Origin

Early 18th century: from Latin, literally ‘throat’.

单词	rumen
释义	Definition of rumen in English: rumen nounPlural rumina, Plural rumens ˈruːmɛnˈrumən Zoology The first stomach of a ruminant, which receives food or cud from the oesophagus, partly digests it with the aid of bacteria, and passes it to the reticulum. 〔动〕瘤胃（反刍动物的第一胃） Example sentencesExamples When calves are fed milk it is funnelled through the oesophageal groove to the true stomach, bypassing the rumen. Energy from the grain apparently helps complete the conversion of nitrate to bacterial protein in the rumen. Added fat at levels at or above 5% of the diet has been reported to impair fiber digestion in the rumen and to depress feed intake. So mammals are unable to digest cellulose, except some ruminants that have cellulase-secreting bacteria in their rumens. He was interested in improving digestive processes within the rumen, the first of the four stomachs of ruminant animals, where cellulose is broken down by bacteria. Derivatives ruminal adjective ˈruːmɪn(ə)lˈrumən(ə)l Zoology Relating to the rumen or first stomach of a ruminant. ovine ruminal fluid Example sentencesExamples gas production during ruminal digestion Few studies have been conducted to examine the effects of live yeast products on in vitro mixed ruminal microorganism fermentation. Low quality forage also can negatively affect reproduction by decreasing efficiency of ruminal N utilization caused by limited energy supply. The effects of both S. cerevisiae supplements on the fermentation of soluble starch by mixed ruminal microorganisms are shown in Table 4. Origin Early 18th century: from Latin, literally 'throat'. Definition of rumen in US English: rumen nounˈro͞omənˈrumən Zoology The first stomach of a ruminant, which receives food or cud from the esophagus, partly digests it with the aid of bacteria, and passes it to the reticulum. 〔动〕瘤胃（反刍动物的第一胃） Example sentencesExamples When calves are fed milk it is funnelled through the oesophageal groove to the true stomach, bypassing the rumen. So mammals are unable to digest cellulose, except some ruminants that have cellulase-secreting bacteria in their rumens. Added fat at levels at or above 5% of the diet has been reported to impair fiber digestion in the rumen and to depress feed intake. Energy from the grain apparently helps complete the conversion of nitrate to bacterial protein in the rumen. He was interested in improving digestive processes within the rumen, the first of the four stomachs of ruminant animals, where cellulose is broken down by bacteria. Origin Early 18th century: from Latin, literally ‘throat’.
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