Acronyms that contain the term nails, ingrown 

nails, ingrown

An ingrown nail, also known as onychocryptosis from Greek: ὄνυξ (onyx) 'nail' and κρυπτός (kryptos) 'hidden', is a common form of nail disease. It is an often painful condition in which the nail grows so that it cuts into one or both sides of the paronychium or nail bed. While ingrown nails can occur in the nails of both the hands and the feet, they occur most commonly with the toenails (as opposed to fingernails), and for the most part are only problematic and painful on the big toe. A common conception is that the nail enters into the paronychium, but an "ingrown toenail" can simply be overgrown toe skin. The condition starts first from a microbial inflammation of the paronychium, and then a granuloma, which results in a nail buried inside of the granuloma. A true ingrown toenail is caused by actual penetration of flesh by a sliver of toenail.

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