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pericardium
[ per-i-kahr-dee-uhm ]
/ ˌpɛr ɪˈkɑr di əm /
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noun, plural per·i·car·di·a [per-i-kahr-dee-uh]. /ˌpɛr ɪˈkɑr di ə/. Anatomy.
the membranous sac enclosing the heart.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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British Dictionary definitions for pericardium
pericardium
/ (ˌpɛrɪˈkɑːdɪəm) /
noun plural -dia (-dɪə)
the membranous sac enclosing the heart
Derived forms of pericardium
pericardial or pericardiac, adjectiveWord Origin for pericardium
C16: via New Latin from Greek perikardion, from peri- + kardia heart
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for pericardium
pericardium
[ pĕr′ĭ-kär′dē-əm ]
n. pl. per•i•car•di•a (-dē-ə)
The fibroserous sac enclosing the heart and the roots of the great vessels, consisting of two layers: the visceral layer or epicardium, immediately surrounding the heart; and the outer parietal layer, which forms the sac and is lined with a serous membrane.heart sac theca cordis
Other words from pericardium
per′i•car′di•al (-dē-əl) null adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for pericardium
pericardium
[ pĕr′ĭ-kär′dē-əm ]
Plural pericardia
The membrane sac that encloses the heart in vertebrate animals.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.