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.

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.

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.

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
References in periodicals archive ?
En nombre de la religion cristiana, que es puro amor, ternura y esperanza; en nombre de vuestro Maestro, que nos mando dar todo a los pobres, os pido, senor cura, que deis por terminada esa deuda que pesa sobre la familia de Juan Yupanqui.
For much of the evening, he shared the vocal spotlight with Turkish soprano Feryal TE-rkoy-lu, who sang arias by Mozart, Bizet and Puccini and two scenes and duets with Cura.
Lalito Cura jugando con los gansos y los perros en el jardin de la casa del crimen, que para mi era la casa del aburrimiento y a veces del asombro y la felicidad.
Cordua said she named the cafe Sine Cura - which means "without care" in Latin - because she wanted the location to be one where people could sit back and relax.
Grace Zarnas-Hoyer is Public Relations Manager for Cura Hospitality.
Hidalgo era un cura querido y respetado en su tierra.
No sabemos cuanto tiempo continuo el bachiller Miguel de Isasi como cura capellan en Arecibo, aunque si sabemos que lo era en 1664 (Murga Sanz y Huerga IV, 1990:149).
Los problemas entre el cura parroco del Rosario (Julian Navarro) y el alcalde de la hermandad del pago de los arroyos (Isidro Noguera) comenzaron cuando este se disponia a cumplir su segundo ciclo en el cargo que ya habia ocupado durante 1807.
Aunque el Cura de Ars fue declarado venerable en 1872, es necesario esperar a san Pio X para que san Juan Maria Vianney aparezca en los textos del magisterio.
Venendo a una piu puntuale disamina delle singole parti, il saggio introduttivo della De Corso si apre prendendo in rassegna, oltre che la sua ricezione critica, le due precedenti edizioni del poema: rispettivamente in Drammatiche rappresentazioni in Sicilia e poesie di autori siciliani dal secolo XVI al XVIII, a cura di G.
Salicaria y Anemonia decidieron encargar un hijo al cura Patella y al doctor Monodonta.