cavity(redirected from Dorsal cavity)
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1. Dentistry a soft decayed area on a tooth
2. any empty or hollow space within the body
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A hole or hollow space in an organ, tissue, or other body part.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.