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Dysmorphology
Nails
Question | Answer |
---|---|
Nails begin to form during what gestational week? | 10 |
Nails to fingertip form... | 32-33 weeks |
Toenails lag how many weeks behind fingernails in development? | 3-4 |
Nails growth how many mm a week? | 1-2 |
Landmarks & Measurements of Nails | 1. Shape 2. Lanula 3. Cuticle 4. Curvature 5. Nail angle |
Abnormalities of the nails | 1. Thickened nails 2. Dystrophic nails (Pachy omychia) |
Malformations of the nails | 1. Narrow 2. Hyperconvex 3. Tapered (Coffin-Lowry) 4. Broad (Rubenstein-Taybi) 5. Small 6. Aplastic-total or partial (Nail Patella syndrome) |