Browsing by Subject "Ossification"
Now showing items 1-3 of 3
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(Nature, 2015)The anklebone (astragalus) of dinosaurs presents a characteristic upward projection, the 'ascending process' (ASC). The ASC is present in modern birds, but develops a separate ossification centre, and projects from the ...
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(Wiley, 2020)The adult ankle of early reptiles had five distal tarsal (dt) bones, but in Dinosauria, these were reduced to only two: dt3 and dt4, articulated to metatarsals (mt) mt3 and mt4. Birds have a single distal tarsal ossification ...
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(Universidad de la Frontera, 2016)© 2016, Universidad de la Frontera. All rights reserved.SUMMARY: Bone ossification is a process that occurs during embryogenesis when fetal period begins. It is characterized by a condensation of mesenchymal cells with ...