Ch. 6 Nail Disorders and Diseases

Depressions running across the nail plate's width due to a slowing production of matrix cells.

• Pincer nail

• Ridged nail

• Beau's lines

• Hangnail

Nails that turn a variety of colors may indicate surface staining.

• Eggshell nail

• Plicatured nail

• Bruised nail

• Discolored nail

An unhealthy nail condition that is hereditary or caused by injury or disease of the nail unit.

• Nail psoriasis

• Nail disorder

• Hangnail

• Tinea pedis

Noticeably thin white nail plate is more flexible than usual.

• Eggshell nails

• Bruised nails

• Ridged nail

• Pincer nail

Also known as trumpet nail; A form of dramatically increased nail curvature.

• Nail pterygium.

• Pincer nail

• Onychia

• Eggshell nail

Damaged to the capillaries under the nail, giving the appearance of a lengthwise small splinter.

• Bruised nail bed

• Splinter hemorrhage.

• Onychophagy

• Onychia

Dark purplish spots, usually due to a small nail bed injury.

• Bruised nail bed

• Onychorrhexis

• Splinter hemorrhage

• Melanonychia

Damaged skin around the nail plate become split or torn.

• Paronychia

• Nail psoriasis.

• Pincer nail

• Hangnail

Significant nail darkening caused by increased pigment cells.

• Onycholysis

• Nail psoriasis

• Melanonychia

• Bruised nail bed

Which nail disease require the attention of a physician.

• Hangnail

• Plicatured nail

• Bruised nail bed

• Paronychia