Fingernail Anatomy

Fingernail Anatomy

This image shows a detailed cross-sectional view of the fingernail including the nail border, nail bed, nail matrix, and surrounding skin folds.

  • Nail bed

  • Ungual root

  • Lunula

  • Ungual valley

  • Body of nail

  • Free border

  • Hyponychium

  • Striae of nail

  • Perionyx

  • Distal phalanx

  • Fingertip

  • Adipose tissue

  • Nail matrix

ASKLEPIOS MEDICAL ATLAS / SCIENCE PHOTO LIBRARY