ABSTRACT

DEFINITION Claw abnormalities are defined by certain terms. The following is a partial list of these terms and includes those that are used more frequently in association with conditions of the dog and cat1: • Macronychia: unusually large claws. • Onychalgia: claw pain. • Onychia (onchitis): inflammation

somewhere in the claw unit. • Onychoclasis: breaking of claws. • Onychocryptosis (onyxis): ingrown claws. • Onychodystrophy: abnormal claw

formation. • Onychogryphosis: hypertrophy and

abnormal curvature of claws. • Onychomadesis: sloughing of claws (290). • Onychomalacia: softening of claws. • Onychomycosis: fungal infection of claws. • Onychorrhexis: longitudinal striations

associated with brittleness and breaking of claws.