guaiac

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Related to guaiac gum: Guaiacum

guaiac

 [gwi´ak]
a resin from certain Caribbean trees, used as a reagent.
guaiac test one for occult blood; glacial acetic acid and guaiac are mixed with the specimen; on addition of hydrogen peroxide, the presence of blood is indicated by a blue tint.

guai·ac

(gwī'ak),
The resin of Guaiacum officinale or G. sanctum (family Zygophyllaceae); a nauseant, diaphoretic, stimulant, and reagent used in testing for occult blood.
Synonym(s): guaiac gum
[Sp. guayaco, imitating the native Carib name]

guaiac

/guai·ac/ (gwi´ak) a resin from the wood of trees of the genus Guajacum, used as a reagent and formerly in treatment of rheumatism.

guaiac

[gwī′ak]
a wood resin, formerly used as a reagent in laboratory tests for the presence of occult blood.

lignum vitae

Herbal medicine
A Caribbean tree that is rich in saponins, resin, guaiaretic and guaiacolic acids; it is anti-inflammatory, laxative and stimulatory, and has been used to treat arthritis and gout; its products have been commercialised in mainstream medicine in the guaiac test for occult bleeding of the large intestine, which is often a sign of colorectal cancer.

guai·ac

(gwī'ak)
Nauseant, diaphoretic, stimulant, and reagent used in testing for occult blood. Also called guaiac gum.

guai·ac

(gwī'ak)
The resin of Guaiacum officinale or G. sanctum; a nauseant, diaphoretic, stimulant, and reagent used in testing for occult blood.