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definitions
  • synonyms

oval fossa

n.
  1. An oval depression on the lower part of the septum of the right atrium. Its floor corresponds to a septum of the fetal heart.
  2. hiatus saphenus
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.