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rumen    音标拼音: [r'umən]
n. 瘤胃,反刍

瘤胃,反刍

rumen
n 1: the first compartment of the stomach of a ruminant; here
food is collected and returned to the mouth as cud for
chewing [synonym: {rumen}, {first stomach}]

Rumen \Ru"men\, n. [L. rumen, - inis, the throat.]
1. (Anat.) The first stomach of ruminants; the paunch; the
fardingbag. See Illust. below.
[1913 Webster]

2. The cud of a ruminant.
[1913 Webster]


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  • Rumen - Wikipedia
    The rumen is composed of five muscular sacs: cranial sac, ventral sac, dorsal sac, caudodorsal sac, and caudoventral blind sac Each of these areas contain unique microbial communities, environments, and physical abilities that influence digestion [1][4]
  • Understanding the Ruminant Animal Digestive System
    Rumen microorganisms (primarily bacteria) digest cellulose from plant cell walls, digest complex starch, synthesize protein from nonprotein nitrogen, and synthesize B vitamins and vitamin K Rumen pH typically ranges from 6 5 to 6 8 The rumen environment is anaerobic (without oxygen)
  • The ruminant digestive system
    Ruminant stomachs have four compartments: the rumen, the reticulum, the omasum and the abomasum Rumen microbes ferment feed and produce volatile fatty acids, which is the cow’s main energy source
  • Compendium of 4,941 rumen metagenome-assembled genomes for rumen . . .
    Ruminants provide essential nutrition for billions of people worldwide The rumen is a specialized stomach that is adapted to the breakdown of plant-derived complex polysaccharides
  • Understanding Rumen Microbiology: An Overview - MDPI
    The rumen is the largest of the four chambers of the “stomach” in ruminant animals, which harbors an incredibly dense, diverse, and dynamic microbial community crucial for feedstuff degradation, animal health, and production
  • Digestive Anatomy in Ruminants - Colorado State University
    The interior of the rumen, reticulum and omasum is covered exclusively with stratified squamous epithelium similar to what is observed in the esophagus Each of these organs has a very distinctive mucosa structure, although within each organ, some regional variation in morphology is observed
  • Rumen - an overview | ScienceDirect Topics
    Rumen is defined as the first chamber of a ruminant animal's alimentary canal, specialized for digesting nondigestible plant fibers and cellular components through the action of its flora, which includes bacteria, protozoa, and fungi
  • Rumen | anatomy | Britannica
    The largest chamber, the rumen, serves as a fermentation vat where microbes break down cellulose in grasses and other forage This microbial activity produces nutrients, including volatile fatty acids, that supply much of the cow’s energy





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