| A | B |
|---|
| Blue Nails | Nails turn a variety of colors due to systemic disorder. |
| Bruised nails | Dark purplish spot due to injury. (hematoma) |
| Corrugations/Beau's Lines | Wavy ridges caused by uneven nail growth. AKA Beau's Lines. |
| Eggshell nail | Thin, white nail plate that's more flexible than normal. |
| Furrows/Ridges | Vertical depressions in hte nail caused by illness, injury, stress or pregnancy. |
| Agnail/Hangnail | Split or tear in the cuticle. aka hangnail |
| Leukonychia | White spots on the nail. |
| Melanonychia | Dark bands on the nail plate. |
| Onychatrophia | Atrophy of the nail. Nail wastes away. |
| Onychauxis | Thick nails. |
| Onychophagy | Nails bitten to the point of deformity. |
| Onychorrhexis | Abnormally brittle nails. |
| Plicatured nails | Corners of the nail fold in at 90 degrees. |
| Pterygium | Forward growth of the cuticle. |
| Tile-shaped nails | Increased curvature of the nail. |
