nail matrix


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Related to nail matrix: nail root

matrix

 [ma´triks] (pl. ma´trices) (L.)
1. the intercellular substance of a tissue, as bone matrix, or the tissue from which a structure develops, as hair or nail matrix.
2. a metal or plastic band used to provide proper form to a dental restoration, such as amalgam in a prepared cavity.
Matrices: A, Simple metal strip with a wooden wedge. B, Circumferential band of copper to encase the entire crown. From Baum et al., 1995.
bone matrix the intercellular substance of bone, consisting of collagenous fibers, ground substance, and inorganic salts.
cartilage matrix the intercellular substance of cartilage consisting of cells and extracellular fibers embedded in an amorphous ground substance.
nail matrix (matrix un´guis) the nail bed.

nail ma·trix

[TA]
the area of the corium on which the nail rests; it is extremely sensitive and presents numerous longitudinal ridges on its surface. According to some anatomists, the nail bed is the portion covered by the body of the nail, the nail bed being only the part on which the root of the nail rests.

nail matrix

See nailbed.

nail bed

(nāl bed)
The area of the corium on which the nail rests; it is extremely sensitive and presents numerous longitudinal ridges on its surface.
Synonym(s): keratogenous membrane (2) , matrix unguis.
References in periodicals archive ?
It aids in the development of the nail matrix that will harden and become part of the nail.
In our reported case, after resection of the epithelized granuloma, both sides of the posterior nail fold and the nail matrix were cauterized completely with phenol.
The dorsal nail plate, which is produced by the proximal portion of the nail matrix and is 0.
Cuticles protect the nail matrix from coming into contact with air and bacteria and becoming infected.
11] Wedge resection of nail matrix and Phenolization is presently reported to have high recurrence and narrowing of the nail plate with consequent disfigurement of the toe in the study by Kose and Guler et al in 2012.
One could perhaps speculate that the trauma from the pressure of the cysts on the nail matrix played some part in the dystrophy of the nail but a further sample will be sent at some time in the future, when the lady comes back for the continuing routine foot care that she has now decided to have lest any more lumps or bumps appear on her toes.
4,5,12 Fingertip damage was found to cause amputation of the nail matrix that might result in double nail deformity.
Using this technique, biopsy can be obtained from the most difficult sites like nail matrix, fascia etc.
Ito and her team discovered an important clue in this process, a population of self-renewing stem cells in the nail matrix, a part of the nail bed rich in nerve endings and blood vessels that stimulate nail growth.
The trial involved 249 patients; one of the strongest predictors of poor outcome was baseline nail matrix involvement.
Predictors of Failure to Cure Onychomycosis With 3 Months of Terbinafine Baseline clinical factor Increase in odds of clinical cure not being achieved at 72 weeks Nail matrix involvement 2.
Only a few published reports of nail matrix arrest in children with a clinical history of HFMD exist in the medical literature (9-11).