• synonyms


[mez-uh-kahr-dee-uh m, mes-, mee-zuh-, -suh-]
noun, plural mes·o·car·di·a [mez-uh-kahr-dee-uh, mes-, mee-zuh-, -suh-] /ˌmɛz əˈkɑr di ə, ˌmɛs-, ˌmi zə-, -sə-/. Embryology.
  1. the double layer of splanchnic mesoderm supporting the embryonic heart.
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Origin of mesocardium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mesocardium

Historical Examples

  • The heart is at first placed within the body cavity attached to the ventral wall of the gut by a mesocardium (fig. 353 A).

    The Works of Francis Maitland Balfour, Volume III (of 4)

    Francis Maitland Balfour

mesocardium in Medicine


n. pl. mes•o•car•di•a (-dē-ə)
  1. Either of the two layers of the embryonic mesentery supporting the embryonic heart in the pericardial cavity.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.