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epicardium

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epicardium /epi·car·di·um/ (-kahr´de-um) the visceral pericardium.
ep·i·car·di·um (p-kärd-m)
n. pl. ep·i·car·di·a (-d-)
The inner layer of the pericardium that is in contact with the surface of the heart. Also called visceral layer.

epi·cardi·al adj.

epicardium
[ep′ikär′dē·əm]
Etymology: Gk, epi + kardia, heart
the outermost of the three layers of tissue that form the heart wall. It is composed of a single sheet of squamous epithelial cells overlying delicate connective tissue. The epicardium is the visceral portion of the serous pericardium and folds back on itself to form the parietal portion of the serous pericardium. Compare myocardium. See also pericardium. epicardial, adj.

epicardium [ep″i-kahr´de-um]
the inner layer of the serous pericardium, which is in contact with the heart.

epicardium
the inner layer of the serous pericardium, which is in contact with the heart.


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The new tools allow doctors to go through that sac to the epicardium - the heart's outermost tissue - without actually entering the heart, "reducing patients' risk and recovery time," he added.
The J wave is produced by a transmural voltage gradient during initial ventricular repolarization, which results from the presence of a prominent action potential notch mediated by the transient outward potassium current (Ito) in the epicardium (1).
In the embryo, Tß4 stimulates cells in the heart's outer layer, the epicardium, to produce more blood vessels, but it seems to be switched off once the heart is fully developed.
 
 
 
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