2009
DOI: 10.1111/j.1469-7580.2009.01068.x
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The structure of the cornified claw sheath in the domesticated cat (Felis catus): implications for the claw‐shedding mechanism and the evolution of cornified digital end organs

Abstract: The morphology of cornified structures is notoriously difficult to analyse because of the extreme range of hardness of their component tissues. Hence, a correlative approach using light microscopy, scanning electron microscopy, three-dimensional reconstructions based on x-ray computed tomography data, and graphic modeling was applied to study the morphology of the cornified claw sheath of the domesticated cat as a model for cornified digital end organs. The highly complex architecture of the cornified claw she… Show more

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Cited by 42 publications
(45 citation statements)
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“…Results from histological sampling of hard‐cornified epidermal structures are occasionally presented in the published literature, but few sources report detailed methods. These tissues pose unique challenges for histological processing due to the variable density and hardness of their components (Lucas and Stettenheim,1972; Pass,1989; Homberger et al,2009). Here, we review the efficacy of our techniques and provide suggestions that may be of use for future studies.…”
Section: Discussionmentioning
confidence: 99%
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“…Results from histological sampling of hard‐cornified epidermal structures are occasionally presented in the published literature, but few sources report detailed methods. These tissues pose unique challenges for histological processing due to the variable density and hardness of their components (Lucas and Stettenheim,1972; Pass,1989; Homberger et al,2009). Here, we review the efficacy of our techniques and provide suggestions that may be of use for future studies.…”
Section: Discussionmentioning
confidence: 99%
“…Alternatively, a higher melting‐point paraffin would provide an embedding medium that more closely matches the hardness of beak and claw tissues and may increase consistency of results (Lucas and Stettenheim,1972). Other studies have reported using resin instead of paraffin (Homberger and Brush,1986; Alibardi,2002; Homberger et al,2009), which apparently sections well but presents additional processing challenges and can interfere with some staining properties (Bancroft and Gamble,2008).…”
Section: Discussionmentioning
confidence: 99%
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“…spelaea (Goldfuss, 1810) have been identified in Zone IV from the LG (Fig 4). The anatomy, taxonomy, and taphonomic modifications have been studied following the standard archaeozoological methods (see [39–41]), and the nomenclature used has been taken from Homberger et al [42] (Fig 5). The morphology of cut-marks (curved/V-shaped) was analyzed.…”
Section: Methodsmentioning
confidence: 99%