Category: L
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Lewisite
A toxic gas similar in action to mustard gas, used in warfare to disable and kill. It acts as a vesicant in the lungs. Dimercaprol is the treatment drug of choice.
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Levulosuria
The presence of fructose in the urine.
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Levulosemia
The presence of fructose in the blood. The existence of levulose in the bloodstream.
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Levulinic acid
An acid formed when certain simple sugars are acted on by dilute hydrochloric acid.
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Levorotatory
Causing to turn toward the left, applied especially to substances that turn polarized light rays to the left.
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Levophobia
A morbid dread of objects on the left side of the body.
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Levoclination
Torsion or twisting of the upper meridians of the eyes to the left.
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Levocarnitine
An amino acid-derived drug used in treating primary carnitine deficiency.
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Levitation
The subjective sensation of rising in the air or moving through the air unsupported. It occurs in dreams, altered states of consciousness, and certain mental disorders. Raising the human body or any object into the air without mechanical aids, apparently defying gravity. History is full of levitation reports. Mystics of many religions have been said…
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Levin’s tube
A catheter that is usually introduced through the nose and extends into or through the stomach. It is used to help prevent accumulation of intestinal liquids and gas during and after intestinal surgery. This tube is often referred to as a nasogastric tube. A variant includes the addition of a sump channel, which helps to…