red squill


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Related to red squill: sea squill, white squill, Drimia maritima

squill

 [skwil]
1. any of various plants of the genus Urginea, especially U. maritima or U. indica.
2. the fleshy inner scales of the bulb of U. maritima or U. indica; a distinction is made between those with white bulbs (white squill) and those with red bulbs (red squill).
red squill
1. a variety of Urginea maritima that has red bulbs.
2. the fleshy inner scales of the bulb of this plant, a source of the cardiac glycoside scilliroside; it can cause convulsions or cardiac arrest and is used as a rodenticide.
white squill
1. a variety of Urginea maritima that has white bulbs.
2. the fleshy inner scales of the bulb of this plant; it contains several cardioactive glycosides.

red squill

n.
1. A variety of the squill Urginea maritima having reddish bulbs.
2. A powder prepared from the bulbs of this plant and used as a rat poison.

scilliroside

A potent emetic agent isolated from sea onion (Urginea maritima), once used as a rat poison. Scilliroside production was discontinued worldwide in 1980.

red squill

a cardiac glycoside (scilliroside) extracted from the dried bulbs of Urginea maritima. Was used therapeutically as a cardiac stimulant at one time, now used as a rodenticide. Poisoning, with signs of bradycardia and convulsions, occurs with very large doses.