antrum


Concise Oxford English Dictionary © 2008 Oxford University Press:
antrum /ˈantrəm/
noun (pl. antra /-trə/) Anatomy
  • 1 a natural chamber or cavity in a bone.
  • 2 the pyloric end of the stomach.
– derivatives
antral adjective.
– origin C19: from L., from Gk antron ‘cave’.
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