Anatomy & Physiology
This is the largest upper bone of the arm, extending from shoulder to elbow.
Humerus
The part of the nail bed that extends below the nail root and helps to produce the nail plate.
Matrix
Abnormal brittleness of the nail plate.
Onychorrhexis
Dark purplish discoloration under the nail that is caused by trauma
bruised nail
The general term for any nail disease or deformity.
Onychosis
Also known as digits. Are the finger and toe bones
Phalanges
The technical term for nails.
Onyx
The split cuticle located around the nail.
Agnail
Noticeably thin, white nail plates that are more flexible than normal.
Eggshell nails
A fungal infection of the nail, also known as ringworm of the nail.
Onychomycosis
The five long thin bones of the palm.
Metacarpals
Non-living epidermis extending around the base of the nail.
cuticle
The darkening of the nail that may be in a band or a stripe.
Melanonychia
Whitish discoloration of the nail
Leukonychia
A fungal infection that can occur on the bottom of the feet as well as between the toes, which can spread to the toenails. Also known as Athlete's foot.
Tinea Pedis
These muscles separate the fingers.
Abductors
Folds of normal skin that surround the natural nail plate.
Nail folds
Noninfectious condition that affects the surface of the natural nail making it appear pitted or rough.
Nail psoriasis
Forward growth of living skin that adheres to the surface of the nail plate.
Nail Pterygium
Inflammation of the matrix: redness, swelling around base and underneath the nail plate, sometimes pus is present.
Onychia
A group of adductor muscles, located in the palm, that draw the thumb toward the fingers.
Opponens Muscles
The skin between the free edge and the fingertip of the natura nail.
Hyponychium
Bitten nails is also known as
Onychophagy
Also known as an ingrown nail
Onychocryptosis
Bacterial inflammation of the skin surrounding the nail plate
Paronychia