sheath of Hertwig

noun
sheath of Hert·​wig | \ -ˈhert-ˌvig How to pronounce sheath of Hertwig (audio) \

Medical Definition of sheath of Hertwig

: a two-layered epithelial wall that covers the developing root of a tooth, is derived from cells of the enamel organ, and later breaks up during the process of cement deposition

called also Hertwig's sheath

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