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ker·a·to·hy·a·lin | \ -ˈhī-ə-lən 
\
\variants:
also keratohyaline \ -lən , -lēn \
, -lēn \Medical Definition of keratohyalin
: a colorless translucent protein that occurs especially in granules of the stratum granulosum of the epidermis and stains deeply with hematoxylin
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