Skip to Content
Medical Term:


Pronunciation: pur'pu-rin

Definition: A violet stain related to alizarin by addition of a 4-OH group to alizarin; found in madder root and other members of the Rubiaceae; used to detect calcium salts, boron, and as a histologic stain.

Synonym(s): uroerythrin

Synonym(s): alizarin purpurin

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