A muscle relaxant used in anesthesia (and, in the past, in arrow poisons by South American Indians). Curare competes with acetylcholine, a chemical that carries information between nerve and muscle cells, and blocks transmission of the information.

1777, from Portuguese or Spanish curare, a corruption of the name in the Carib language of the Macusi Indians of Guyana, wurali or wurari, which had a sort of click sound at the beginning, and is said [..]

resin obtained from South American trees, often dried and used as an ingredient in muscle relaxants.

(koo-rua-re) A chemical derived from plant sources that causes flaccid paralysis by blocking ACh receptor proteins in muscle cell membranes. Cushing's syndrome

just about any of many toxic plant derivatives, specifically those from plants of the genus Strychnos. This compound and those related to it exercise their attempts by inhibiting the actions of acetyl [..]

An alkaloid neurotoxin that causes paralysis by blocking acetylcholine receptors in muscle.

A compound isolated from a South American plant that has the ability to block the transfer of a nerve impulse at the neuromuscular junction.

(n) a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles

Plant Extracts from several species, including genera Strychnos and Chondodendron, which contain Tetrahydroisoquinolines that produce Paralysis of Skeletal Muscle. These extracts are toxic and must be [..]

Plant extracts from several species, including Strychnos toxifera, S. castelnaei, S. crevauxii, and Chondodendron tomentosum, that produce paralysis of skeletal muscle and are used adjunctively with g [..]