| Term | Definition |
| 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 |
