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Sa Node

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SA node definition - Medical Dictionary ...

SA node: The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the system that controls the heart rate. ...

www.medterms.com/script/main/art.asp?articlekey=5402 • Google, Yahoo! Search, Bing

The Sinoatrial Node

In the upper part of the right atrium of the heart is a specialized bundle of neurons known as the sinoatrial node (SA node). Acting as the heart's natural ...

hyperphysics.phy-astr.gsu.edu/hbase/Biology/sanode.html • Google, Yahoo! Search, Bing

Sinoatrial node - Wikipedia, the free en...

Low magnification micrograph of a sinoatrial node - central on image and surrounding the (sinuatrial) nodal artery (on lumen in the image), a branch of the ...

en.wikipedia.org/wiki/Sinoatrial_node • Google, Bing

CV Physiology: Sinoatrial Node Action Po...

Cells within the sinoatrial (SA) node are the primary pacemaker site within the heart. These cells are characterized as having no true resting potential, ...

www.cvphysiology.com/Arrhythmias/A004.htm • Google, Yahoo! Search

Sinoatrial Node

Information and resources pertaining to the sinoatrial node of the heart.

biology.about.com/library/organs/heart/blsinoatrialnode.htm • Google, Yahoo! Search

Sinoatrial node - Wikipedia, the free en...

The SA node abuts cardiac myocytes (of the right atrium) on its deep aspect ... This makes the SA node susceptible to autonomic influences. ...

en.wikipedia.org/wiki/SA_node • Yahoo! Search

sinoatrial node: Definition from Answers...

sinoatrial node n. A small mass of specialized cardiac muscle fibers located in the posterior ... This makes the SA node susceptible to autonomic influences. ...

www.answers.com/topic/sinoatrial-node • Yahoo! Search

SA node

The SA (sinoatrial) node is the natural pacemaker region of the heart. The SA node is located at the point which the superior vena cava joins the right atria.

bme.usc.edu/bme403/Section_3/sa_node.html • Bing

20. Sino-atrial Node

The SA Node surrounds the nodal artery from which it receives a rich blood supply. These smaller, modified muscle cells generate the electrical signal that ...

www.kumc.edu/instruction/medicine/anatomy/histoweb/muscular/... • Google

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