mesocardium
Also found in: Medical.
mesocardium
[‚me·zō′kärd·ē·əm] (anatomy)
Epicardium covering the blood vessels which enter and leave the heart.
(embryology)
The mesentery supporting the embryonic heart.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.