pulp cavity मीनिंग इन हिंदी

अधिक: आगे

The infection probably developed because the pulp cavity of a broken dentary tooth was exposed to bacteria.
Even in badly decayed skeletons, hard shells of dentine usually protect the pulp cavities of teeth, preserving the DNA inside.
Also, the overall pulp cavity may be smaller by the addition of secondary or tertiary dentin, thus causing pulp recession.
The pulp is a soft tissue area containing the nerve and blood vessels to nourish and protect the tooth, located within the pulp cavity.
Dentin has microscopic channels, called dentinal tubules, which radiate outward through the dentin from the pulp cavity to the exterior cementum or enamel border.
The pulp cavity inherently provides the body with an immune system response challenge, which makes it very difficult for a bacterial infection to be eliminated.
Andrew Merriwether, a physical anthropologist from Britain who attended the meeting, said it was unlikely that DNA could be preserved in weathered bones over such a long period, but he said a tooth, which contains a protected pulp cavity, might contain usable DNA.
Unlike the ursid bears whose fourth premolar has a more well-developed protoconid, an adaptation for shearing flesh, the fourth premolar of spectacled bears has blunt lophs with three pulp cavities instead of two, and can have three roots instead of the two that characterize ursid bears.

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