Cancer Terms

Gram Staining Method

Cancer Terms -> Activity -> Clinical or Research Activity -> Procedure -> Test -> Anatomic Pathology Procedure -> Histological Techniques -> Staining Methods -> Special Histology Staining Method -> Gram Staining Method

Gram Staining Method Definition

This is a method (named after the Danish bacteriologist, Hans Christian Gram) for staining and identifying bacteria. It is based on the differential retention of a crystal violet-iodine complex within the cell membrane. Gram-positive organisms will appear blue-black or purple while Gram-negative organisms will appear red.

Gram Staining Method Synonyms

Gram Staining Method, GRAM, Gram Stain

Terms in Gram Staining Method category



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