PATHOLOGY

Detailed explanation-1: -The nail bed is the area directly under the nail plate and consists of two structures: the nail bed epithelium and the underlying dermis.

Detailed explanation-2: -The nail bed sits underneath the nail plate, spanning between the lunula and the hyponychium. The nail bed epithelium is composed of a monocellular basal layer, a spinous layer, and, like the nail matrix, is devoid of a stratum granulosum.