RT Book, Section A1 González-Serva, Aldo A2 Barnhill, Raymond L. A2 Crowson, A. Neil A2 Magro, Cynthia M. A2 Piepkorn, Michael W. A2 Kutzner, Heinz A2 Desman, Garrett T. SR Print(0) ID 1178408282 T1 Disorders of the Nail Apparatus T2 Barnhill's Dermatopathology, 4e YR 2020 FD 2020 PB McGraw Hill Education PP New York, NY SN 9780071828222 LK dermatology.mhmedical.com/content.aspx?aid=1178408282 RD 2024/03/28 AB The pervasive misunderstanding of the nail unit as a skin equivalent rather than as an adnexal unit such as the hair follicle has complicated the evaluation and diagnosis of nail diseases.1 After recognizing that the matrical and bed epithelia and stroma are not epidermis and dermis, a better understanding of the microscopic findings in nail diseases has emerged.