MedicalTerminology DB
General Medical Terms

guaiac

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1 Definition of guaiac

Meaning of guaiac: A substance from a type of tree called Guaiacum that grows in the Caribbean.

A substance from a type of tree called Guaiacum that grows in the Caribbean. Guaiac is used in the fecal occult blood test (a test for blood in human stool samples).

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.