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2016-02-23T21:24:05+05:30

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The innermost tissue of the heart wall that lines the chambers is called the endocardium.

The middle muscle layer of heart wall is called the myocardium.

The outer layer of the heart wall is called the epicardium.

The heart is covered by a double-layered serosal sac, called the pericardium.
The layer continuous with the epicardium is called the visceral pericardium, and the outer layer is called the parietal pericardium
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