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akinesia

  (ā'kə-nē'zhə, -kī-) pronunciation
n.

Loss of normal motor function, resulting in impaired muscle movement.

[Greek akinēsiā : a-, without; see a–1 + kīnēsis, motion; see –kinesis.]

akinetic a'ki·net'ic (-nĕt'ĭk) adj.
 
 

n

A loss of controllable motion and feelings of exhaustion.

 

1. abnormal absence or poverty of movements.
2. the temporary paralysis of a muscle by the injection of a local anesthetic agent.

  • eyelid a. — produced by performing an auriculopalpebral nerve block.
 
Wikipedia: akinesia

Akinesia (from the prefix a-, "without", and the Greek κίνηση, kinisi, "motion") is the inability to initiate movement due to difficulty selecting and/or activating motor programs in the central nervous system. Common in severe cases of Parkinson's disease, akinesia is a result of severely diminished dopaminergic cell activity in the direct pathway of movement.

Akinetic Mutism

Akinetic mutism is a condition in which a person is both mute and akinetic. A textbook on clinical neurology observes that a person with akinetic mutism has "sleep-waking cycles but, when apparently awake, with eyes open, lies mute, immobile and unresponsive." Some dictionaries describe it as "loss of normal muscle tone."

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Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved.  Read more
Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.  Read more
Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Akinesia" Read more

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