acleistocardia: Meaning and Definition of

a•cleis•to•car•di•a

Pronunciation: (u-klī"stu-kär'dē-u, ā-klī"-), [key]
— n. Pathol.
  1. a failure of the foramen ovale of the heart to close.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.