Dictionary   FastHealth  Email This!



n 1  :  the transitory mesentery of the embryonic heart  2  :  either of two tubular prolongations of the epicardium that enclose the aorta and pulmonary trunk and the venae cavae and pulmonary veins .

Published under license with Merriam-Webster, Incorporated.  © 1997-2019.



St. Mary's Clearwater Valley Hospital and Clinics (Cottonwood, Idaho - Idaho County)