nail structure and growth

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Across
  1. 1. collectively; the nail bed (or sterile matrix), nail fold, eponychium, paronychium, and hyponychium
  2. 2. slightly thickened layer of skin that lies between the fingertip and free edge of the nail plate, forming a protective barrier that prevents microorganisms from invading and infecting the nail bed
  3. 6. also known as the sidewall; folds of skin that line the sides of the nail plate
  4. 7. living skin underneath the PNF found at the nail plate’s base covering the matrix area
  5. 8. slit or furrow on the sides of the nail
  6. 9. portion of living skin that supports the nail plate as it grows toward the free edge
  7. 12. tough band of fibrous tissue that connects bones or holds an organ in place
  8. 13. folds of skin that surrounds the nail plate
  9. 14. part of the nail plate that extends over the tip of the finger or toe
Down
  1. 1. abbreviated PNF; entire flap of skin covering the matrix, extending from the edge of the visible nail plate to the first joint of the finger or toe
  2. 3. area where the nail bed cells form
  3. 4. folds of skin that surround the nail plate
  4. 5. visible part of the matrix that extends from underneath the living skin
  5. 10. technical term for nails of the fingers or toes
  6. 11. nonliving colorless tissue attached to the nail plate