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foramen ovale

[ ō-vălē, -vālē, -vä- ]
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n.

An opening in the septum between the right and left atria of the heart, present in the fetus but usually closed soon after birth.

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“Evoke” and “invoke” both derive from the same Latin root “vocāre.”

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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