sinoatrial node

cardiac pacemaker

The part of the cardiac conduction system that controls the timing of heart muscle contraction. It relays electrical signals to the AV node[GO]. Subdivision of conducting system of heart at the junction of the right atrium and the superior vena cava, around the sinoatrial nodal branch of right coronary artery and is continuous with the internodal tract[FMA].

Type Muscle
Body System Muscular
Parent Structure cardiac muscle of right atrium
Latin Name cardiac pacemaker
FMA ID 9477

Frequently Asked Questions

What is the sinoatrial node?
The part of the cardiac conduction system that controls the timing of heart muscle contraction. It relays electrical signals to the AV node[GO]. Subdivision of conducting system of heart at the junction of the right atrium and the superior vena cava, around the sinoatrial nodal branch of right coron
What body system is the sinoatrial node part of?
The sinoatrial node is part of the Muscular.
What is the Latin name for the sinoatrial node?
The Latin name for the sinoatrial node is cardiac pacemaker.

Related Structures

anterior internodal tract anterior internodal fasciculus aponeurosis aponeuroses atrioventricular node A-V node Bachmann's bundle anterior interatrial band Biceps brachii Musculus biceps brachii bundle of His A-V bundle cardiac muscle tissue of myocardium cardiac Purkinje fiber cardiac Purkinje fiber

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