[ mez-uh-kahr-dee-uh m, mes-, mee-zuh-, -suh- ]
/ ˌmɛz əˈkɑr di əm, ˌmɛs-, ˌmi zə-, -sə- /

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.

the double layer of splanchnic mesoderm supporting the embryonic heart.

Nearby words

  1. mesobilirubin,
  2. mesobilirubinogen,
  3. mesoblast,
  4. mesoblastema,
  5. mesocardia,
  6. mesocarp,
  7. mesocaval shunt,
  8. mesocecum,
  9. mesocephalic,
  10. mesocolon

Origin of mesocardium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for mesocardia


[ mĕz′ə-kärdē-ə ]


An atypical central position of the heart in the chest, as in the embryo.


[ mĕz′ə-kärdē-əm ]

n. pl. mes•o•car•di•a (-dē-ə)

Either of the two layers of the embryonic mesentery supporting the embryonic heart in the pericardial cavity.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.