mesocardium.
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.
Meaning & usage
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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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.