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∙ 14y agoNode is a junction of two or more branchs or brach elements.
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Where are the cells that make up the sinoatrial node or pacemarker located?
Sinoatrial node is located at the junction of the superior vena cava with the right atrium. It is the normal cardiac pacemaker.
The point on a stem to which a leaf or bud is attached is termed the?
the node, leaves are attached to the node by the petiole
What is a twig juncture?
A twig juncture is called a node.
What are four characteristics of pacemaker cells?
These cells look just like regular heart cells. But some create rhythmical impulses and they directly control the heart rate. The sinoatrial node (SA node) is a group of these cells positioned on the wall of the right atrium. Because the sinoatrial node is responsible for the rest of the heart's electrical activity, it is sometimes called the primary pacemaker. Further down into the heart at a junction between the artium and ventricles is the AV node which is called the secondary pacemaker. The last part of electrical conducting system of the heart is the Bundle of His which include left and right branches of this bundle, and the Purkinje fibers. These will also produce a spontaneous action potential at a rate of 30-40 beats per minute, if the SA and AV node both do not function.
Do neurotransmitters affect SA node?
SA node effects which neurotransmitter?
What is a botanical junction?
node
What is a node in logistics?
it is a junction in a circuit where two or more circuit elements are connected together
What areas of the cardiac conduction system make up the AV junction?
AV node and bundle of His
Where are the cells that make up the sinoatrial node or pacemarker located?
Sinoatrial node is located at the junction of the superior vena cava with the right atrium. It is the normal cardiac pacemaker.
What is meant by junction towns?
The town which is located at the center of other surrounding towns then it is called junction town.
What is meant by step graded junction?
A step graded junction is the pn junction in which impurity concentration does not change abruptly from donor to acceptor but varies smoothly
What is responsible for initiating the heart beat?
The hearts electrical activity starts with the sino-atrial node in the right atrium, which sends its impulse to the rest of the heart causing contraction. However it the SA node fails there are still two backups, the AV Junction, and the purkinje fibers, however they are not able to send out impulses as fast and the contractions aren't as efficient.
What is the pacemaker for the entire myocardium?
The pacemaker of the entire myocardium is the: a) Atrioventricular junction b) bundle of his c) Purkinje fibers d) Sinoatrial node
What is the inherent rate of AV junction?
It is a built-in rate at which it initiates electical impulses, meaning that the AV node has a rate range at which it usually produces impulses.
What is meant by relay node?
naa unna keta nee enna thirupi kekura vekama ila...........
What is the difference between a node and a gland?
In the context of biology or anatomy, a node is a point of connection in a network, such as a junction in a plant stem. On the other hand, a gland is an organ or group of cells that secretes substances for use elsewhere in the body or for elimination as waste.
What is meant by gateway?
Default Gateway is a node (a router) on a computer network that serves as an access point to another network.
