What it means
Named after Wilhelm His Jr., the Swiss physician who described it. It is part of the heart's conductionkun-DUK-shunThe passing of something, such as an electrical signal or heat, from one place to another through a material.Full entry system: the signal starts in the sinoatrial node, passes through the atrioventricular (AV) node, then travels down the bundle of His in the wall between the ventricles. It splits into the right and left bundle branches and then the Purkinje fibers, which make the ventricleVEN-trih-kulOne of the two lower chambers of the heart, or one of the fluid-filled spaces inside the brain.Full entry contract.
At a glance
| Also written | His bundle |
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Related terms
electrocardiogram
A test that records the heart's electrical activity as waves on paper or a screen.
ventricle
One of the two lower chambers of the heart, or one of the fluid-filled spaces inside the brain.
conduction
The passing of something, such as an electrical signal or heat, from one place to another through a material.