ostium secundum

noun
ostium se·cun·dum | \-sə-ˈkən-dəm \

Medical Definition of ostium secundum 

: an opening in the upper part of the developing embryonic interatrial septum corresponding to the foramen ovale of the fetus

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Dictionary Entries near ostium secundum

ostitis

ostium

ostium primum

ostium secundum

ostomate

ostomy

OT

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