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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]
  • 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
  • Digestive Anatomy in Ruminants - Colorado State University
    Collectively, these organs occupy almost 3 4ths of the abdominal cavity, filling virtually all of the left side and extending significantly into the right The reticulum lies against the diaphragm and is joined to the rumen by a fold of tissue
  • 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)
  • Rumen | anatomy | Britannica
    Inside the rumen, the largest chamber of the stomach, bacteria and other microorganisms digest tough plant fibres (cellulose) To aid in this process, cows regurgitate and re-chew food multiple times before it passes on to the rest of the digestive system via the other stomach chambers
  • 16. 5B: The Rumen and Ruminant Animals - Biology LibreTexts
    Specialized microbe species live in the rumen and help ruminants break down cellulose Solids are formed into a bolus, called “cud,” in the rumen and the solid cud is regurgitated back up to the mouth where it is chewed a second time, and returned to the reticulorumen to repeat the process
  • Whats a Rumen
    The four chambers of the ruminant stomach are the reticulum, rumen, omasum and abomasum The rumen serves as a large fermentation vat in which bacteria and other microorganisms reside
  • What Is a Rumen and How Does It Work in Digestion?
    The rumen is the largest compartment of a multi-chambered stomach found in certain herbivorous animals Its inner lining features numerous small, finger-like projections called papillae, which enhance the surface area for absorption
  • 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 Definition Meaning - Merriam-Webster
    The meaning of RUMEN is the large first compartment of the stomach of a ruminant in which cellulose is broken down by the action of symbiotic microorganisms





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