encephalitis lethargica

encephalitis

[en-sef-uh-lahy-tis]
noun Pathology.
1.
inflammation of the substance of the brain.
2.
Also called encephalitis lethargica [li-thahr-ji-kuh] . a form of this condition, caused by a filterable virus and characterized by apathy and abnormal sleepiness; sleeping sickness.

Origin:
1835–45; encephal- + -itis

encephalitic [en-sef-uh-lit-ik] , adjective
postencephalitic, adjective
pseudoencephalitic, adjective
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World English Dictionary
encephalitis (ˌɛnsɛfəˈlaɪtɪs, ˌɛnkɛf-)
 
n
inflammation of the brain
 
encephalitic
 
adj

encephalitis lethargica (lɪˈθɑːdʒɪkə)
 
n
pathol a technical name for sleeping sickness

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

encephalitis
1843, by influence of Fr. encéphalite, from Gk. enkephalos, from en- "within" + kephale "head" + -itis.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

encephalitis en·ceph·a·li·tis (ěn-sěf'ə-lī'tĭs)
n. pl. en·ceph·a·lit·i·des (-lĭt'ĭ-dēz)
Inflammation of the brain. Also called cephalitis.


en·ceph'a·lit'ic (-lĭt'ĭk) adj.

encephalitis lethargica encephalitis le·thar·gi·ca (lə-thär'jĭ-kə)
n.
A viral epidemic encephalitis characterized by apathy, paralysis of an eye muscle, and extreme muscular weakness. Also called sleeping sickness, von Economo's disease.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
encephalitis   (ěn-sěf'ə-lī'tĭs)  Pronunciation Key 
Inflammation of the brain, usually caused by infection with a virus.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
encephalitis [(en-sef-uh-leye-tis)]

An inflammation of the brain. Encephalitis may be caused by a virus or lead poisoning, or it may be a complication of another disease, such as influenza or measles. Encephalitis can cause permanent brain damage or death. It is also possible, however, to recover from it completely.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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