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Nail Theory
Term | Definition |
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Beau's Lines | I: Indentations similar to horizontal corrugationa that run across the nail. C: Growth at area under cuticle is interrupted by major injury or servere illness that has traumatized body for extended period of time. D: Nails return to normal after trama. |
Onychomucosis | I: Ringworm of nail. C: Fungus, disease-related can result from a nail injury invaded by fungus. D: Nail becomes thick and discolors from black to brown or beige to white. T: No service may be performed. Refer client to a physician. |
Onychoptosis | Indicator: Shedding or falling off nails. Cause: Disease or injury related. Description: If the disease caused the problem is cured, the nail will regrow. Treatment: No service may be performed on affected nails. Refer client to a physician. |
Onychocryptosis | I: Ingrown nails C: Environmental or poor trimming practices; can become infected. D: If the nail grows into edge of the nail groove cutting the skin, or becomes deeply embedded an/or infected. T: Thoroughly soften skin, trim nail straight across to pr |
Onychauxis | I: Thickening of nail plater or an abnormal outgrowth of nail. C: Injury to nail or systemic D: Easily recognizable; likely to disappear T: Can be lightly buffed to even out the nail plate |
Onychogryposis | Indicator: Increased curvature of nails Cause: Systemic Description: Increased thickness and curving of the nail that may occur with age or injury to nail. Treatment: Looks for signs of infection. |
Onychorrhexis | Indicator: Split or brittle nails Cause: Injury, improper filling, harsh chemical contact Description: Easily recognizable: file with emery board carefully. Treatment: Soften nails well before trimming. |
Kolionychia | Indicator: Nails with concave shape Cause: Systemic or long-term illness; nerve disturbance Description: Unusual nail shape; unlikely to disappear Treatment: File carefully; apply no pressure to nail plate; use polish to harden and protect nails. |
Onycholysis | I: Loosening or separation or nail C: Internal disorder, infection or drug treatment; systemic, disease-related D: Loosening of the nail plate starting at the free edge and progressing to lunula. T: No service may be performed. Refer client to a physic |
Pterygium | I: Living skin that becomes attached to the nail plate either at eponychium or hyponychium. D: Excess living skin that can remain attached to the nail plate and disrupt normal nail growth. T: No service may be performed on affected nails. |
Furrows | I: Indented vertical lines down nail plate C: Injury to matrix that causes cells to reproduce unevenly; can be nutrition-injury- or illness-related D: Easily recognizable; may grow out; may be permanent. T: Lightly buff; apply base coat or ridge filler |
Corrugation | I: Horizontal wavy ridges across nail C: Injury, systemic conditions; uneven growth D: Easily recognizable; if injury-related it may grow out and disappear T: Lightly buff to level the nail surface |
Onychatrophia | I: Atrophy of nail or wasting away of nail C: Injury or systemic disease D: Nail shrinks in size and may separate from nail bed T: No service may be performed on affected nails |
Bruised Nails | I: Dark purplish discoloration under nail C: Trauma to nails; eviromental D: Discoloration under nail T: Protect with regular application |
Leukonychia | I: White spots appearing in the nail C: Injury to nail, hereditary, signs of systemic disorders or nutritional deficiency D: A small separation from the nail bed; grows out the nail T: Make client aware of possible cause; perform nail service as usual |
Blue Nails | I: Appear bluish in color C: Systemic problems of heart, poor circulation or injury D: "Blue" color in skin under nails, can be corrected if caused is eliminated; common in older people T: Make client aware of problem and possible causes |
Onychophagy | I: Bitten Nails C: Nervous habit, stress-related D: Easily recognizable; if biting stops nails will regrow; may be sensitive to touch T: Perform nail service weekly, apply polish to nails |
Melanonychia | I: A brown or black darkening of nail C: Increased production of melanin by melanocytes in nail matrix due to trauma, systemic disease or medications D: Increased pigmentation results in darker bands that run the length of the nail T: Make client awar |
Agnails | I: Split cuticles; loose skin partially separated from cuticle C: Cuticle is overly dray and splits; environmental causes D: Skin breaks at corners of nails T: Trim only separated hangnails skin completely, moisturize and avoid massaging the area. |
Onychia | I: Inflammation of nail matrix C: Bacterial infection, disease related D: Pus formation; red, swollen, and tender; nail may stop growing, and plate may detach; nail may not grow back T: No service may be performed. Refer client to a physician |
Paronychia | I: Inflammation of skin around nail C: Bacterial infection, disease-related condition of tissue surrounding nail can occur of hangnail gets infected D: Red, swollen, sore, warm to touch, can lose the nail T: No service may be performed |
Eggshell Nails | I: Very thin, soft C: Hereditary or nervous condition D: Thin nails, almost see-through transparent T: Protect with regular application of top coat, nail strengthens or artificial nails as well as good dietary practices |
Tinea Pedis | I:Ringworm of feet C: fungus, disease-related; thrives in dark moist conditions D: Itching and peeling of the skin on feet; blisters containing colorless fluid from in groups or slightly on sores and between toes T: No service may be performed |
Tinea Manus | I: Ringworm of hand C: Fungus, disease-related D: Appears as rings containing tiny blisters, dark pink to reddish in color; can be confused with eczema or contact dermatitis; can be spread to nails, scalp, feet, or body T: No service may be performed |