ostium secundum

noun

ostium se·​cun·​dum -sə-ˈkən-dəm How to pronounce ostium secundum (audio)
: an opening in the upper part of the developing embryonic interatrial septum corresponding to the foramen ovale of the fetus

Dictionary Entries Near ostium secundum

ostium primum

ostium secundum

ostomate

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Cite this Entry

“Ostium secundum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ostium%20secundum. Accessed 22 Nov. 2024.

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