squill(redirected from spring squills)
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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).
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.
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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
The cut and dried fleshy inner scales of the bulb of the white variety of Urginea maritima (Mediterranean squill), or of U. indica (Indian squill) (family Liliaceae); the central portion of the bulb is excluded during its processing; squill contains cardiac glycosides (scillaren-A and scillaren-B) and scillaricide, a rodenticide.
[L. squilla or scilla]
Farlex Partner Medical Dictionary © Farlex 2012
a. Any of several plants of the genus Urginea of Africa and Eurasia, especially the Mediterranean species U. maritima, having a large bulb and lanceolate leaves.
b. A powder prepared from the dried inner scales of the bulbs of U. maritima, used as rat poison and formerly as a cardiac stimulant, expectorant, and diuretic.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
A perennial herb that contains cardioactive glycosides; it is diuretic and expectorant, but is highly toxic.
Arrhythmias, convulsions, diarrhoea, heart block, nausea, vomiting and possibly death.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.