- the inner serous layer of the pericardium, lying directly upon the heart.
Origin of epicardium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- anatomy the innermost layer of the pericardium, in direct contact with the heart
C19: New Latin, from epi- + Greek kardia heart
- The inner layer of the pericardium that is in contact with the surface of the heart.visceral layer
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.