Collagen fibril diameter distributions in rabbit anterior cruciate and medial collateral ligaments: changes with maturation.

R. A. Hart, W. H. Akeson, K. Spratt, D. Amiel

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

This study presents morphometric analyses of the collagen fibril diameters of rabbit anterior cruciate and medial collateral knee ligaments of New Zealand White rabbits (young, age two months and adult, age thirty-six to forty months). Measurements were made from transmission electron micrographs of transverse ligament sections of approximately 50,000x magnification. Statistically significant differences in the mean fibril diameters were found between the anterior cruciate and medial collateral ligaments of the thirty-six to forty month old animals (.069 +/- .005, .092 +/- .016 mm, p < .1); however, no statistical significance was found for differences between these ligaments in two month old animals (.077 +/- .006, .082 +/- .009, p > .1). These data support the idea that known differences in fibril distributions of adult rabbit anterior cruciate and medial collateral ligaments develop with maturation, and may reflect both the cellular environment in which the fibrocytes of these ligaments are subject to, as well as the developmental genetic program of these cell populations.

Original languageEnglish (US)
Pages (from-to)66-70
Number of pages5
JournalThe Iowa orthopaedic journal
Volume19
StatePublished - 1999

ASJC Scopus subject areas

  • Medicine(all)

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