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. 1998 Apr;192(Pt 3):321–328. doi: 10.1046/j.1469-7580.1998.19230321.x

Collagen fibril arrangement and size distribution in monkey oral mucosa

V OTTANI 1,✉, M FRANCHI 1, V DE PASQUALE 1, L LEONARDI 1, M MOROCUTTI 1, A RUGGERI 1
PMCID: PMC1467776  PMID: 9688498

Abstract

Collagen fibre organisation and fibril size were studied in the buccal gingival and hard palate mucosa of Macacus rhesus monkey. Light and electron microscopy analysis showed connective papillae exhibiting a similar inner structure in the different areas examined, but varying in distribution, shape and size. Moving from the deep to surface layers of the buccal gingival mucosa (free and attached portions), large collagen fibril bundles became smaller and progressively more wavy with decreasing collagen fibril diameter. This gradual diameter decrease did not occur in the hard palate mucosa (free portion, rugae and interrugal regions) where the fibril diameter remained constant. A link between collagen fibril diameter and mechanical function is discussed.

Keywords: Palatal and gingival mucosa, connective tissue, collagen, elastin

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Selected References

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