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  • Morphological and morphometric analysis of the distal branches of the rat brachial plexus

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    BartonPUB3191.pdf (423.6Kb)
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    Author(s)
    Barton, Matthew
    St John, James
    Tatian, Artiene
    Riches, James D.
    Mograby, Omar
    Mahns, David A.
    Griffith University Author(s)
    St John, James A.
    Barton, Matthew J.
    Year published
    2016
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    Abstract
    The rat brachial plexus has gained interest recently in neuro-regenerative research due to the advancement of neurosurgical equipment and techniques, but moreover in that it provides a model that can closely resemble the common peripheral nerve injuries seen in humans. The aim of this study was to provide a systematic baseline quantification for fibre type and morphology of the major terminal nerve branches of the rat brachial plexus (radial, ulnar and median) at four surgically accessible sites, through the forelimb. We applied a microstructural and immunohistological analysis of 12 rat brachial plexuses using three forms ...
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    The rat brachial plexus has gained interest recently in neuro-regenerative research due to the advancement of neurosurgical equipment and techniques, but moreover in that it provides a model that can closely resemble the common peripheral nerve injuries seen in humans. The aim of this study was to provide a systematic baseline quantification for fibre type and morphology of the major terminal nerve branches of the rat brachial plexus (radial, ulnar and median) at four surgically accessible sites, through the forelimb. We applied a microstructural and immunohistological analysis of 12 rat brachial plexuses using three forms of micro-visualisation: electron microscopy; whole mount; and immunohistology. The three distal nerves studied showed a similar patterning in terms of the number and size of myelinated fibres, with all proportionally decreasing when moving distally. The fibre types of both the median and ulnar nerve appeared to be homogenously mixed throughout their trajectory, while the radial nerve had a more distinct patterning, especially distal to the elbow, with the entire nerve’s main branch appearing to consist of sensory fibres only. Our microstructural analysis of the rat brachial plexus provides important normative reference data for future peripheral nerve research using the forelimb of the rat.
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    Journal Title
    Italian Journal of Anatomy and Embryology
    Volume
    121
    Issue
    3
    DOI
    https://doi.org/10.13128/IJAE-20273
    Copyright Statement
    © 2016 Firenze University Press. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Clinical Sciences not elsewhere classified
    Clinical Sciences
    Publication URI
    http://hdl.handle.net/10072/337404
    Collection
    • Journal articles

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