Eosin test

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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DefinitionThis section has been translated automatically.

Supravital staining of spermatozoa for an orienting assessment of the rate of vital spermatozoa.

ImplementationThis section has been translated automatically.

Staining of a microscopic native preparation with 0.5% aqueous, bluish eosin solution; counting of at least 200 spermatozoa after 5 minutes; the number of red stained spermatozoa heads corresponds to the rate of devitalized spermatozoa (with correspondingly defective cell membrane); normally below 40%. See also necrozoospermia and spermiogram.

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer