pone.0217999.g007.tif (1.71 MB)
Assessment of the ossification of the dens axis in cheetahs.
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posted on 2019-06-11, 17:30 authored by Martin J. Schmidt, Gerhard Steenkamp, Klaus Failing, Peter Caldwell, Robert M. KirbergerLaterolateral radiograph of the upper cervical spine of different age cheetahs demonstrating the gradual ossification of the dens axis. A is 3.2 months old, B is 6 months old, and C is 42 months old and the dens is completely fused.
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radiographic analysispalateregression analysisMetricage estimationpostcranial morphologyAcinonyx jubatuscoronal suturecondylobasallengthspeciesinformationMultipleage-dependent changeoverviewparameterstatusage approximationretrospectivephyseal closuresemi-captive cheetahsage-related changesretrospectivelyappendicularage determinationpulp sizesinusnon-metric variables162 known-ageskullcharacteristicaimRadiographbenefitcorrelationtime framescontributionossification centers
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