from The Century Dictionary.
- noun Plural of
Sorry, no etymologies found.
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The mastoid or posterior wall (paries mastoidea) is wider above than below, and presents for examination the entrance to the tympanic antrum, the pyramidal eminence, and the fossa incudis.
X. The Organs of the Senses and the Common Integument. 1d. 2. The Middle Ear or Tympanic Cavity
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