NOUN | body | root canal | the passage in the root of a tooth through which its nerve and blood vessels enter the pulp cavity |
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Meaning | The passage in the root of a tooth through which its nerve and blood vessels enter the pulp cavity. | |
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Part of | pulp cavity | The central cavity of a tooth containing the pulp (including the root canal) |
Broader | passage, passageway | A path or channel or duct through or along which something may pass |
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