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Developmental Origins of Teeth Revealed by Primitive Fish Fossil

News   Dec 16, 2020 | Original story from eLife

 
Developmental Origins of Teeth Revealed by Primitive Fish Fossil

Part of a jawbone of the 422-million-year-old fossil bony fish Lophosteus, visualised with a high-resolution X-ray technique. On the right, the surface of the jawbone is shown in grey. In the middle, exposed teeth are highlighted in gold and dermal odontodes in shades of purple, pink and red. On the left, the bone itself is made transparent, revealing internal blood vessels and pulp cavities, shown in blue and green, as well as the embedded teeth and dermal odontodes. Credit: Chen et al. (CC BY 4.0).

 
 
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