The sinoatrial (SA) node, the normal pacemaker of the heart, receives input from the 10th cranial nerve (CN X), the vagus nerve, via ACh.
What does SA stand for?
SA stands for Sinoatrial (medical)
This definition appears very frequently and is found in the following Acronym Finder categories:
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See other definitions of SA
We have 222 other meanings of SA in our Acronym Attic
- Simulated Annealing
- Simulation and Analysis
- Sinapinic Acid
- Sine Anno (Latin: Without Date)
- Singapore Artillery
- Single Access
- Single Action (revolver)
- Single Adult
- Single Aisle (aircraft)
- Single Award
Samples in periodicals archive:
The heartbeat originates in the sinoatrial node (SAN) of the heart's right upper chamber, where pacemaker cells are clustered.
2) As in mammals, birds have a cardiac conduction system that consists of a sinoatrial (SA) node, an AV node, and Purkinje fibers.
HRV describes variations in both instantaneous heart rate and RR intervals, and can reflect the coupling between the autonomic nervous system and the sinoatrial node.
This occurs when the activity of the heart's pacemaker, the sinoatrial node, is impaired.
com (7) RSA is the natural cycle of arrhythmia that occurs through the influence of breathing on the flow of sympathetic and vagus impulses to the sinoatrial node (http://biomedical.