Examlex
When determining whether an individual is a material participant, participation by an owner's spouse generally counts.
Electrical Excitation
The process by which an electrical impulse stimulates a nerve cell, muscle, or other excitable tissue to produce an action potential.
AV Bundle
The bundle of His, a collection of heart muscle cells specialized for electrical conduction, transmitting impulses from the atrioventricular node to the ventricles of the heart.
SA Node
The sinoatrial node, a group of cells in the right atrium of the heart that acts as the natural pacemaker by generating electrical impulses.
Coronary Arteries
Arteries that supply blood to the heart muscle itself, crucial for providing the necessary oxygen and nutrients for cardiac function.
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