Ligamentary structure of the base of the nail

The authors report the results of 115 dissections of the base of the distal phalanx of fingers and toes. In 85% of cases including hypoplastic supernumerary digits, there is a connective ligament-like structure. It is a dorsal expansion of the lateral ligament of the distal inter-phalangeal joint ar...

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Bibliographic Details
Published inSurgical and radiologic anatomy (English ed.) Vol. 16; no. 1; p. 47
Main Authors Guéro, S, Guichard, S, Fraitag, S R
Format Journal Article
LanguageEnglish
Published Germany 1994
Subjects
Fingers - anatomy & histology
Humans
Ligaments, Articular - anatomy & histology
Nails - anatomy & histology
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Summary:The authors report the results of 115 dissections of the base of the distal phalanx of fingers and toes. In 85% of cases including hypoplastic supernumerary digits, there is a connective ligament-like structure. It is a dorsal expansion of the lateral ligament of the distal inter-phalangeal joint arising from the intermediate phalanx and ending in the matrix and the lunula. This ligament may have a role in biomechanical strains on the nail. It can explain some dystrophic nails associated with some malpositioned joints in fingers or toes.
ISSN:0930-1038
DOI:10.1007/bf01627920