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red squill

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
squill (skwil) any of various plants of the genus Urginea, particularly U. maritima or U. indica, or the fleshy inner scales of their bulbs.
red squill  a variety of Urginea maritima with red bulbs, or the fleshy inner scales of its bulb, a source of the cardiac glycoside scilliroside; it can cause convulsions or cardiac arrest and is used as a rodenticide.
white squill  a variety of Urginea maritima with white bulbs, or the fleshy inner scales of its bulb, a source of several cardiac glycosides; used as a cardiotonic; also used in folk medicine.

Scilliroside
A potent emetic isolated from squill or sea onion—Urginea (Scilla) maritima—which was once used as a rat poison. Scilliroside production was discontinued worldwide in 1980.
Toxicity Vomiting, diuresis, clonic seizures, respiratory failure

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
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.


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