mesocardium
noun1
- 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.
- However, in quail, increased VEGF signalling causes endocardial cell hyperplasia in the dorsal mesocardium region and affects heart development. — 2015