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- 2. • An appendage of the skin •A horny, translucent plate that protects the tips of the fingers and toes. • Composed mainly of keratin. ( protein substance that forms the base of all horny tissue) • Whitist and transluscent in appearance and allows the pinkish colour of the nail bed to be seen.
- 3. •Onyx is the technical term for the nail. •The condition of the nail,like that of the skin, reflects the general health of the body. •Onychology is the study of nail. • The nails vary in thickness, being heaviest on the thumbs and big toes
- 4. • The characteristics of healthy nails are firm and flexible, slightly pink in color and the surface is smooth, curved and unspotted, without any hollows or wavy ridges.
- 5. DIAGRAM OF THE NAIL 1. FREE EDGE -the part of the nail that can be filed and shaped. It is an extension of the nail plate that overlaps the hyponychium.
- 6. DIAGRAM OF THE NAIL 2. HYPONICHIUM - Portion where the nail separates from the skin.
- 7. DIAGRAM OF THE NAIL 3. NAIL GROOVES - Skin at the side of the free edge, the nail follows the line as it grows.
- 8. DIAGRAM OF THE NAIL 4. NAIL PLATE - Visible portion of the nail.
- 9. DIAGRAM OF THE NAIL 5. NAIL WALLS - The folds of skin where the nail is attached
- 10. DIAGRAM OF THE NAIL 6. NAIL BED - Part of the finger underneath the nail plate.
- 11. DIAGRAM OF THE NAIL 7. LUNULA -Moon shaped point where the matrix and nail bed meet.
- 12. DIAGRAM OF THE NAIL 8. CUTICLE - The overlapping skin surrounding the nail
- 13. DIAGRAM OF THE NAIL 9. MATRIX - This is where the nail is made.
- 14. DIAGRAM OF THE NAIL MANTLE - deep fold of the skin in which the nail root is embedded.
- 16. • The nail consists of three parts: nail body, nail root and free edge. • The structures beneath the nail include the nail bed, matrix and lunula. • The structures surrounding the nail include the cuticle, eponychium, hyponychium, perionychium, nail walls and nail grooves
- 17. • There are factors thatcan influence the growth of nails such as: ✔nutrition ✔general health and ✔disease.
- 18. • Like hair, nails grow faster in warm weather. • Adult’s nail growth is about 1/8 inch per month whereas the nails of the children grow faster than those of the elderly. • Toenails grow slowly but they are thicker and harder than fingernails.