acleistocardia

[ uh-klahy-stuh-kahr-dee-uh, ey-klahy- ]

noun

, Pathology.

1. a failure of the foramen ovale of the heart to close.

Word History and Origins

Origin of acleistocardia¹

< Greek ákleisto ( s ) not closed ( a- a- ⁶ + kleis-, variant stem of kléiein to close + -tos verbal adjective suffix) + -cardia