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myocardium

American  
[mahy-uh-kahr-dee-uhm] / ˌmaɪ əˈkɑr di əm /

noun

Anatomy.

plural

myocardia
  1. the muscular substance of the heart.


myocardium British  
/ ˌmaɪəʊˈkɑːdɪəm /

noun

  1. the muscular tissue of the heart

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • myocardial adjective

Etymology

Origin of myocardium

First recorded in 1875–80; myo- + -cardium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They then fit a silicone wrapping around it, which acted as a soft, synthetic myocardium, or muscular lining.

From Science Daily • Dec. 8, 2023

Purkinje fibers conduct impulse from the apex up the ventricular myocardium, causing the ventricles to contract.

From Textbooks • Jun. 9, 2022

The heart is composed of three layers; the epicardium, the myocardium, and the endocardium, illustrated in Figure 31.11.

From Textbooks • Jun. 9, 2022

Some of this blood moves through the coronary arteries into the myocardium, and some moves through the carotid arteries to the brain.

From Textbooks • Jun. 19, 2013

He stepped on his switch and said, “There are two lacerations of the myocardium; a one-point-five-centimeter laceration in the right ventricle and a one-point-eight-centimeter laceration penetrating the left ventricle.”

From "American Gods" by Neil Gaiman