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[hee-min] /ˈhi mɪn/
noun, Biochemistry
the typical, microscopic reddish-brown crystals, C 34 H 32 N 4 O 4 FeCl, resulting when a sodium chloride crystal, a drop of glacial acetic acid, and some blood are heated on a slide: used to indicate the presence of blood.
Also called Teichmann's crystals.
Origin of hemin
1950-55; hem- + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for hemin
Historical Examples
  • When cool, replace the acid with water, and examine for hemin crystals with two-thirds and one-sixth objectives.

    A Manual of Clinical Diagnosis James Campbell Todd
hemin in Medicine

hemin he·min (hē'mĭn)
The reddish-brown crystalline chloride of heme produced when hemoglobin reacts with certain reagents in a test for the presence of blood. Also called hematin chloride.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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