curare

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curare

(kyo͝orär`ē), any of a variety of substances originally used as arrow poisons by Native South Americans in hunting and in warfare. The main active substance of curare, tubocurarine, is an alkaloid extracted from Chondodendron tomentosum, Strychnos toxifera, and other plant species. The poison produces muscle paralysis by interfering with the transmission of nerve impulses at the receptor sites of all skeletal muscle. Muscles with many nerves, such as eye muscles, are affected first. In recent years curare has been put to medical use. When given in small quantities with general anesthesiaanesthesia
[Gr.,=insensibility], loss of sensation, especially that of pain, induced by drugs, especially as a means of facilitating safe surgical procedures. Early modern medical anesthesia dates to experiments with nitrous oxide (laughing gas) by Sir Humphry Davy of England
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, especially in abdominal surgery, curare ensures the desired relaxation of muscle tissue with a minimal concentration of the anesthetic, lessening the possibilities of anesthesia-induced complications. Curare is also used to relieve spastic paralysis, to treat some mental disorders, and to induce muscle relaxation for the setting of fractures.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Curare

 

(from Carib kurari), a mixture of condensed extracts from plants of the genera Strychnos, Chondodendron, and other South American groups.

Upon entering the blood, curare blocks the transmission of neural impulses from the motor nerves to the skeletal musculature, causing muscular relaxation. Curare was used for centuries by natives of South America as an arrow poison. It contains a large number of alkaloids of the curarine group. Curariform agents are used for therapeutic purposes.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

curare

[kyü′rä·rē]
(organic chemistry)
Poisonous extract from the plant Strychnos toxifera containing a mixture of alkaloids that produce paralysis of the voluntary muscles by acting on synaptic junctions; used as an adjunct to anesthesia in surgery.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

curare

, curari
1. black resin obtained from certain tropical South American trees, esp Chondrodendron tomentosum, acting on the motor nerves to cause muscular paralysis: used medicinally as a muscle relaxant and by South American Indians as an arrow poison
2. any of various trees of the genera Chondrodendron (family Menispermaceae) and Strychnos (family Loganiaceae) from which this resin is obtained
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
For more information on Curo Speech, visit www.interactions.com/curospeech.
CURO is modeled not on one immersive experience in a limited and specific context (e.g., participation in a summer-only experience), but rather on a coursework model that is progressive and flexible.
Should you have any demand for or questions about the Curo, please see our website www.mastertoolservices.co.uk or contact Master Tool Services via email (sales@mastertoolservices.co.uk) or by telephone on 01327 703813.
Curo provides a core of generic features that can either be used 'out of the box' or tailored, and a software platform and framework for the development of bespoke features, databases and systems.
"Before deploying remote access technology like this, the IT engineer needs to fully understand how a network is bolted together," explained John Davies, Curo Talent contractor and Always On VPN expert.
Os cefais sioc yn gweld yr heddlu yn curo pobl yn ceisio pleidleisio, roedd profi'r diffyg ymateb wedyn yn fwy o sioc fyth.
Unique to the industry, Curo Speech provides these capabilities from a single platform of diverse speech and language solutions for seamless integration into applications and is priced to disrupt the market.
This information was based on data compiled by our university's Center for Undergraduate Research Office (CURO).
MAE stormydd gaeaf yn dechrau curo ar ein drws unwaith yn rhagor ac er nad ydw i'n or-hoff o wynt uchel, mi fydda i wrth fy modd yn gweld dail yr hydref yn disgyn oddi ar y coed ac yn chwyrlio'n y gwynt.
Councillors have now lifted the ban, but at a price - the retail park's owners Curo Sterling (Valegate) will have to pay pounds 200,000 for improvements to boost trade in Barry town centre.
The money was raised through an Enterprise Zone syndicate, sponsored by Chancery (UK) LLP and Curo Property Funds LLP.