pulp cavity

noun Dentistry.
the entire space occupied by pulp, composed of the root canal and pulp chamber.

Origin:
1830–40

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

pulp cavity n.
The central hollow of a tooth containing the dental pulp and including the root canal.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
The pulp cavity is an empty space within the tooth that conforms to the shape of the pulp.
Teeth and tusks have the same physical structures: pulp cavity, dentine, cementum and enamel.
Odontoblastic cells line the pulp cavity and are responsible for the production of dentine.
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