Relier Pairs Nail Disorders & DiseasesVersion en ligne Match the nail disorder with its' cause. par Rosalind Carter 1 Ridges 2 Onychophagy 3 Blue fingernails 4 Koilonychia 5 Discolored nails 6 Eggshell nails 7 Melanonychia 8 Leukonychia spots 9 Bruised nail beds 10 Onychorrhexis 11 Beau’s lines 12 Splinter hemorrhage 13 Hangnails 14 Plicatured nail Uneven growth of the nails, normal aging. May be just surface staining, a systemic disorder or poor blood circulation. Major injury or illness that has traumatized the body, such as pneumonia, adverse drug reaction, surgery, heart failure, massive injury, or long lasting high fever. Results of a habit of chewing nail or the hardened, damaged skin surrounding the nail. Injury to the matrix, excessive use of cuticle removers, harsh chemicals, aggressive filing or heredity. Small injury to the nail bed. A lack of circulating oxygen in the red blood cells. Improper diet, hereditary factors, internal disease, or medication. Minor injury to the nail matrix. Increased pigment cells usually within the matrix. Injury to the matrix, but it may be inherited. Physical trauma or injury to the nail bed. Iron deficiency, anemia, or liver condition. Dry skin and small cuts.