mesocardium

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noun

The structure of splanchnic mesoderm that supports the embryonic heart in the pericardial cavity. In the adult, it refers to any one of two tube-like prolongations of the epicardium. One encloses the aorta and pulmonary trunk and the second all pulmonary veins.

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Meanings

noun
  1. anatomyThe structure of splanchnic mesoderm that supports the embryonic heart in the pericardial cavity. In the adult, it refers to any one of two tube-like prolongations of the epicardium. One encloses the aorta and pulmonary trunk and the second all pulmonary veins.

    However, in quail, increased VEGF signalling causes endocardial cell hyperplasia in the dorsal mesocardium region and affects heart development.

    2015 September 19, “TBX1 Represses Vegfr2 Gene Expression and Enhances the Cardiac Fate of VEGFR2+ Cells”, in PLOS ONE, →DOI
Cite this entry
APA

mesocardium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mesocardium

MLA

“mesocardium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mesocardium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mesocardium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mesocardium.

Source: mesocardium on Wiktionary, CC BY-SA 4.0.