Relier Pairs Nail Disorders & DiseasesVersion en ligne Match the nail disorder with its' cause. par Rosalind Carter 1 Bruised nail beds 2 Plicatured nail 3 Koilonychia 4 Onychophagy 5 Eggshell nails 6 Leukonychia spots 7 Discolored nails 8 Splinter hemorrhage 9 Ridges 10 Onychorrhexis 11 Blue fingernails 12 Hangnails 13 Beau’s lines 14 Melanonychia 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. Iron deficiency, anemia, or liver condition. Dry skin and small cuts. Increased pigment cells usually within the matrix. 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. Uneven growth of the nails, normal aging. Injury to the matrix, but it may be inherited. Physical trauma or injury to the nail bed. Minor injury to the nail matrix. May be just surface staining, a systemic disorder or poor blood circulation.