rumen


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ru·men

 (ro͞o′mən)
n. pl. ru·mi·na (-mə-nə) or ru·mens
The first division of the stomach of a ruminant animal, in which most food collects immediately after being swallowed and from which it is later returned to the mouth as cud for thorough chewing. Also called paunch.

[Latin rūmen; akin to Sanskrit romantha-, ruminant, chewing the cud.]

ru′mi·nal adj.

rumen

(ˈruːmɛn)
n, pl -mens or -mina (-mɪnə)
(Zoology) the first compartment of the stomach of ruminants, behind the reticulum, in which food is partly digested before being regurgitated as cud
[C18: from Latin: throat, gullet]

ru•men

(ˈru mɪn)

n., pl. -mi•na (-mə nə)
1. the first stomach of a ruminant, in which food is softened and then regurgitated for cud-chewing.
2. the cud of a ruminant.
[1720–30; < Latin rūmen]

ru·men

(ro͞o′mən)
The first and largest division of the stomach in ruminant animals, in which the food is fermented by microorganisms. See more at ruminant.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rumen - the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing
ruminant - any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments
stomach, tum, tummy, breadbasket - an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
Translations
References in periodicals archive ?
Recently we have developed cutting edge abilities to access a plasmid population (plasmidome) of a given microbial community, and applied them to rumen microbial communities.
The lipid metabolism is highly variable in the rumen and total tract due to many factors, such as the nature and concentration of lipids in the diet, the type of chemical and/or physical treatments added to feeds, and the characteristics and the forages to concentrate ratio in the diet (Fiorentini et al.
The Global Rumen Census project analyzed the microbes responsible for methane emissions from a wide range of ruminant animals around the world and found they were all similar.
The initiative is funded by the Coleg Cymraeg Cenedlaethol and a Dr Owen Price scholarship and will kick off with the Wales rumen and liver fluke project.
Brigadier General Rumen Radev, Commander of the Bulgarian Air Force, will meet General Frank Gorenc, Commander of the U.
They transmit very important disease Paramphistomosis (commonly known as Rumen Fluke) in sheep and goats.
The Smart Herd Management System (SHMS) takes real-time measurement of ruminant animals' core body temperature with a device called a wireless rumen bolus.
RESEARCH carried out in the United States has shown that early-to-mid lactation dairy rations should contain a minimum 6-7% fermentable sugars (on a dry matter basis) to support optimum rumen fermentation.
Con el objetivo de evaluar la degradacion ruminal de la proteina bruta (PB) de Paspalum notatum (pasto horqueta) en el rumen de bovinos en distintas epocas del ano, se recolectaron muestras de 5 cm de altura de dicha pastura, a los 15, 30 y 45 dias de rebrote.
Several techniques have been used to increase utilization of low quality forages by ruminants including manipulation of rumen fermentation [7].
In order to provide high yielding cows with the optimum level of amino acids, protected amino acids have to fulfil two important factors: rumen stability and intestinal availability.
Here the reader learns the term eructate; that "a twenty-two gallon cow's rumen would be home to about a quadrillion microbes, about 200,000 times as many microbes as there are humans on Earth"; that the microorganisms produced in the rumen are "the ruminant's major source of protein"; that all five major types of microbes are present in the rumen; that dry dog food is treated so it has an odor similar to that of a rumen, but diluted in strength; and that certain Eskimo tribes that eat reindeer get sufficient vitamins by eating not just the meat, but also the contents of the reindeer rumens.