Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The muscular tissue of the heart.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The middle of the three layers forming the wall of the heart.

from the GNU version of the Collaborative International Dictionary of English

  • n. The main substance of the muscular wall of the heart inclosed between the epicardium and endocardium.

from The Century Dictionary and Cyclopedia

  • n. The muscular substance of the heart.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the middle muscular layer of the heart wall

Etymologies

New Latin : myo- + Greek kardiā, heart; see kerd- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin, from Ancient Greek μῦς (mys, "muscle") + καρδία (kardiā, "heart"). (Wiktionary)

Examples

  • Indeed, although heart can stand some degree of hypoxia, this situation is incompatible with its normal bioenergetic function, and ischemic heart disease with compromised oxygen supply to the myocardium is a common cause of heart failure This idea is clearly illustrated in the present study by the concomitant severe decrease in contractile activity and PCr concentration measured in Control hearts perfused under low oxygen conditions compared with previously reported values

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  • It also protects skin from wrinkles and black spots and prevents such geriatric diseases as cerebral haemorrhage, myocardium and brain infarction by removing acid effete matters in time.

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  • The heart is almost entirely muscle, the myocardium, and is strong enough to lift approximately 3,000 pounds, close to the weight of a compact car.

    Beverley Golden: How Well Do You Know Your Heart?

  • A cardiomyopathy is a disease of the heart muscle (myocardium).

    Cardiomyopathy

  • The secondary toxicity of TCE, and perhaps the most life-threatening, is its ability to sensitize the myocardium to catecholamines.

    poison prevention for Delaware, Lehigh Valley, S.E. Pennsylvania

  • The potential for CNS depression, respiratory depression, and the ability of this agent to sensitize the myocardium to the arrhythmogenic effects of catecholamines are the major toxicities of TCE poisoning.

    poison prevention for Delaware, Lehigh Valley, S.E. Pennsylvania

  • Subsequent studies have shown that the cause of death appears to be ventricular fibrillation due to direct sensitization of the myocardium to endogenous circulating catecholamines.

    Freon Abuse

  • Since I have coronary artery disease with some loss of myocardium, I'd have less safety margin if this drug were prescribed.

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  • Straight down between the third and fourth ribs, piercing the myocardium.

    Neurosurgical Intervention For Beginners

  • He had died from a single knife wound between the third and fourth ribs, which had penetrated his myocardium.

    Neurosurgical Intervention For Beginners

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