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Papillary dermis

The uppermost layer of the dermis, characterised by dermal papillae projecting into the epidermis. In friction ridge skin, the pattern of these papillae mirrors and encodes the surface ridge configuration; it is the anatomical seat of ridge persistence.

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ACE-VEccrine sweat glandFriction ridge skinIndividualityMonozygotic twin distinctionNAS 2009 reportPersistenceRidge formation windowVolar pad

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