Template:Fingertip anatomy: Difference between revisions

Latest revision as of 16:11, 3 September 2025

A. Nail plate; B. lunula; C. root; D. sinus; E. matrix; F. nail bed; G. hyponychium; H. free margin.

The perionychium includes the nail bed and the paronychium.
The paronychium is the lateral nail fold (soft tissue lateral to the nail bed).
The hyponychium is the palmar surface skin distal to the nail.
The lunula is that white semi-moon shaped proximal portion of the nail.
The sterile matrix is deep to the nail, adheres to it and is distal to the lunule.
The germinal portion is proximal to the matrix and is responsible for nail growth.

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-===Fingertip Anatomy===
+===[[Hand and finger diagnoses|Nailtip Anatomy]]===
 [[File:Human nail anatomy.jpg|thumb|A. Nail plate; B. lunula; C. root; D. sinus; E. matrix; F. nail bed; G. hyponychium; H. free margin.]]
-*The '''perinychium''' includes the nail, the nailbed, and the surrounding tissue.
+*The '''perionychium''' includes the nail bed and the paronychium.
-*The '''paronychia''' is the lateral nail folds
+*The '''paronychium''' is the lateral nail fold (soft tissue lateral to the nail bed).
 *The '''hyponychium''' is the palmar surface skin distal to the nail.
 *The '''lunula''' is that white semi-moon shaped proximal portion of the nail.
 *The '''sterile matrix''' is deep to the nail, adheres to it and is distal to the lunule.
 *The '''germinal''' portion is proximal to the matrix and is responsible for nail growth.