Elements of appendicular skeleton: f li b Elements of appendicular ...
Elements of appendicular skeleton: f li b Elements of appendicular ...
Elements of appendicular skeleton: f li b Elements of appendicular ...
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Trends in the skeletal system<br />
• Interna<strong>li</strong>zation: from external dermal <strong>skeleton</strong> to<br />
internal endochondral <strong>skeleton</strong>.<br />
• Differentiation <strong>of</strong> regions <strong>of</strong> the skull and axial<br />
<strong>skeleton</strong>.<br />
• Cepha<strong>li</strong>zation: i independence d <strong>of</strong> head from<br />
postcranial <strong>skeleton</strong>.<br />
• Development and specia<strong>li</strong>zation <strong>of</strong> pentadactyl<br />
<strong>li</strong>mbs.<br />
• Relocation <strong>of</strong> <strong>li</strong>mbs from lateral to ventral.<br />
• Interlocking <strong>of</strong> vertebrae via zygapophyses.<br />
• Reduction (loss and fusion) <strong>of</strong> skeletal elements.
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