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rumination
rumination In Ruminantia, a complex digestion characterized by a stomach having three or four parts. In the rumen millions of symbiotic bacteria and other cellulase-producing micro-organisms partially digest the cellulose-rich food. The enzyme cellulase cannot be made by mammals themselves. After some time the partially digested food (cud) is assembled into pellets in the reticulum ready for regurgitation. The regurgitated cud is chewed thoroughly before passing to the omasum and abomasum where normal digestion occurs. In some ruminants the rumen and reticulum form a single large chamber.
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Cite this article
MICHAEL ALLABY. "rumination." A Dictionary of Zoology. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "rumination." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O8-rumination.html MICHAEL ALLABY. "rumination." A Dictionary of Zoology. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-rumination.html |
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rumination
rumination (roo-mi-nay-shŏn) n. (in psychiatry) an obsessional type of thinking in which the same thoughts or themes are experienced repetitively. The thoughts are irrational and resisted by the patient.
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Cite this article
"rumination." A Dictionary of Nursing. 2008. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. "rumination." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O62-rumination.html "rumination." A Dictionary of Nursing. 2008. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-rumination.html |
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