What does the term "onych" pertain to?

The term "onych" is derived from the Greek word "onyx," which translates to "nail." Therefore, this term specifically pertains to fingernails and toenails. In medical terminology, it is commonly used in words related to the nails, such as "onychodystrophy" (a nail disorder) or "onychomycosis" (a fungal infection of the nails). Understanding these prefixes is essential in the medical field, as they provide crucial details about the conditions being referred to.