AV node

1. See atrioventricular node

Example Sentences

The AV node also contains many heart muscle cells that can transmit the “contract now” signal.

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“If the light is switched on, the AV node functions better,” Nahrendorf says.

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For scientists studying AV node biology, “this paper really puts macrophages on the map,” says molecular and developmental biologist Vincent Christoffels of the University of Amsterdam in the Netherlands.

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But he notes that previous studies have implicated other non–heart muscle cells, such as fibroblasts, in the AV node’s operation.

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Nahrendorf says the rodents appeared to have an AV block, in which the AV node doesn’t forward the atrial signal to the ventricles.

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