vestigial fold of Marshall
noun
vestigial fold of Mar·shall
-ˈmär-shəl
: a fold of endocardium that extends from the left pulmonary artery to the left superior pulmonary vein
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“Vestigial fold of Marshall.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vestigial%20fold%20of%20Marshall. Accessed 8 Jul. 2026.
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