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Medical Definition of Grenz zone
1. In histopathology, a narrow layer beneath the epidermis that is not infiltrated or involved in the same way as are the lower layers of the dermis. Origin: Ger. Grenze, borderline, boundary (05 Mar 2000)
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1. In histopathology, a narrow layer beneath the epidermis that is not infiltrated or involved in the same way as are the lower layers of the dermis. Origin: Ger. Grenze, borderline, boundary (05 Mar 2000)