| A | B |
| onychosis | any deformity or disease of the nails |
| onychia | inflammation of the nail matrix, including pus and shedding of the nail |
| onychocryptosis | ingrown nails |
| onychogryposis | tahickening and increaded curvature of the nail |
| onycholysis | loosening of the nail without shedding |
| onychomadesis | separation and falling off of a nail from the nail bed |
| onychophosis | growth of horny epithelium in the nail bed |
| onychoptosis | periodic shedding of one or more nails in whole or in part |
| paronychia | bacterial inflammation of the tissues surrounding the nail |
| pyogenic granuloma | severe inflammation in which a pump of red tissue grows up from the nail bed to the nail plate |
| tinea | a vegetable parasite or fungus |
| tinea pedis | athlete's foot |
| tinea unguium | ringworm of the nails |