Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An opening in the septum between the right and left atria of the heart, present in the fetus but usually closed soon after birth.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An
opening in theseptum between theright andleft atria of thefetal heart
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[New Latin forāmen ōvāle : Latin forāmen, opening + Medieval Latin ōvāle, neuter of ōvālis, oval.]
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