Define the following terms and give their location?

(i) Purkinje fibre

(ii) Bundle of His

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Solution

(i) Purkinje fibres are the impulse conducting fibres which relay the contraction impulses from AV node into the walls of ventricles.

(ii) Bundle of His are mass specialised fibres that originates from the AV node.

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Similar questions

Q. Go through the statements
Statement (I): The AV node and the bundle of His constitute the only electrical link between the atria and the ventricles.
Statement (II): The Bundle of His is a bundle of electrical nodes which allow the ventricles to contract.
Statement (III): The bundle of His is a group of fibres that carry electrical impulses through the centre of the heart
Statement (IV) : The bundle of His is located in the proximal intraventricular septum
How many of the above statements are correct?

Give these structure of the conduction system of the heart :
1. It is Atrioventricular bundle
2. AV node
3. Bundle branches
4. Purkinje fibres

5. SA node
Choose the arrangement that lists the structures in an order of an action potential passes through them.

The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is
$\begin{matrix} (a) & S A N o d e & A V N o d e & P u r k i n j e f i b e r & A V B u n d l e (b) & S A N o d e & P u r k i n j e f i b e r & A V N o d e & A V B u n d l e (c) & S A N o d e & A V N o d e & A V B u n d l e & P u r k i n j e f i b e r (d) & S A N o d e & P u r k i n j e f i b e r & A V B u n d l e & A V N o d e \end{matrix}$

Q. Purkinje fibre is found in

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Define the following terms and give their location? (i) Purkinje fibre (ii) Bundle of His

(i) Purkinje fibres are the impulse conducting fibres which relay the contraction impulses from AV node into the walls of ventricles. (ii) Bundle of His are mass specialised fibres that originates from the AV node.

Define the following terms and give their location?

(i) Purkinje fibre

(ii) Bundle of His

(i) Purkinje fibres are the impulse conducting fibres which relay the contraction impulses from AV node into the walls of ventricles.

(ii) Bundle of His are mass specialised fibres that originates from the AV node.