hyaline layer of Hopewell-Smith
Pronunciation: hop'wel smith
a thin layer of enamellike material located between the cementum and dentin of the root of a tooth; this layer, elaborated by the inner enamel epithelial layer of the Hertwig epithelial root sheet, is believed to facilitate the adhesion of cementum to dentin.
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Examples: glitazone, GI cocktail, etc.