eustachian valve


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Related to eustachian valve: thebesian valve

eustachian valve

[yü′stā·shən ‚valv]
(anatomy)
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A transesophageal echocardiogram (TEE) the next day confirmed a large RA thrombus protruding from the IVC, and the eustachian valve crossing the IVC and filling about half of the RA.
This structure begins to regress during the second trimester leaving four remnants: the Eustachian valve (EV), the Thebesian valve, Chiari network and the terminal crest.