onych-, onycho-, ony-, -onychia, -onychial, -onychium, -onyx- +

(Greek: claw, nail; fingernails, toenails)

Inflammation involving the folds of tissue surrounding the fingernails or toenails.
1. Inflammation involving folds of tissue surrounding a nail or nails.

The causative organisms may be bacteria or fungi, which usually gain entrance through a hangnail or break in the skin due to improper manicuring.
2. Inflammation of the folds of tissue surrounding the nails as a result of infection.

The infection may be bacterial (most commonly, staph or strep) or to fungal.

The growth of a fingernail, or a toenail, in an abnormal place.
perionychium (s), perionychia (pl)
1. The tissue surrounding the nail, whether it be a fingernail or a toenail, including the tissue bordering the root and sides of the nail.
2. The border of epidermal tissue surrounding a fingernail or toenail.
Flatness of the fingernails and/or toenails.
polynychia, polyunguia, polyonychia
The presence of supernumerary nails or beyond the normal number of nails on fingers or toes.
Splitting of the fingernails or toenails.
scleronychia (s) (noun), scleronychias (pl)
The hardening and thickening of the finger and toe nails.
A "narrow-clawed lizard" from Late Cretaceous period and found in southern Alberta, Canada. This creature was previously known as Polyodontosaurus. Named by U. S. fossil hunter Charles Mortram Sternberg (1885-1981) in 1932.

A dinosaur man-like model, called a Dinosauroid stands in an Ottawa museum. Some Canadian paleontologists theorize that this Stenonychosaurus could have given rise to such brainy descendants had dinosaurs endured instead of dying out.

Fusion (combining) of two or more nails of the digits, as in syndactyly (webbing between the digits of the hands or feet).

A cross reference, directly or indirectly, involving a word unit meaning "nail (finger, toe); claw": ungu-.