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Medical Term:

von Kossa stain

Pronunciation: fahn koh'sa


a stain for calcium in mineralized tissue, using a silver nitrate solution followed by sodium thiosulfate; calcified bone but not osteoid is stained brown to black.

Synonym(s): Kossa stain

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.