the first stomach of ruminating animals, lying next to the reticulum.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rumen in a sentence
An investigation of the effects of ketoprofen following rumen fistulation surgery in lactating dairy cows.He Did Right by Animals. And Didn’t Take Bull from Anyone. - Issue 109: Excavation | Brandon Keim | December 15, 2021 | Nautilus
Austrian researchers found that the digestive microbes in the rumen may be strong enough to break down plastic.
All three were broken down by the microorganisms in the rumen fluid with the powder version breaking down quicker than the other two.
In the past, experiments to break down plastics have relied on single microorganisms but the fluid found in the rumen has proven to be more effective.
Because cows’ stomachs can break down materials similar in structure to plastic, like plant-based polyesters produced by a plant called cutin, the scientists hypothesized that rumen could also break down plastic.
In den rumen hatten unsre Leute bereits wie die Vandalen gehaust.German Atrocities from German Evidence | Joseph Bdier
When the distention is great, the blood is prevented from circulating in the vessels of the rumen, and is determined to the head.Sheep, Swine, and Poultry | Robert Jennings
The danger of jumping or running is greatest when the rumen is distended with food.Special Report on Diseases of Cattle | U.S. Department of Agriculture
The rumen or first stomach of the camels and llamas is provided with so-called “water-cells,” for the storage of water.The Anatomy of the Human Peritoneum and Abdominal Cavity | George. S. Huntington
The operation should be performed in severe cases only, where the rumen is excessively overloaded and distended.Special Report on Diseases of Cattle | U.S. Department of Agriculture
British Dictionary definitions for rumen
the first compartment of the stomach of ruminants, behind the reticulum, in which food is partly digested before being regurgitated as cud
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for rumen
The first and largest division of the stomach in ruminant animals, in which the food is fermented by microorganisms. See more at ruminant.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.