bundle /bun·dle/ (bun´d'l) a collection of fibers or strands, as of muscle fibers, or a fasciculus or band of nerve fibers.
bundle,
atrioventricular bundle , AV bundle bundle of His.
common bundle the undivided portion of the bundle of His, from its origin at the atrioventricular node to the point of division into the right and left bundle branches.
bundle of His a band of atypical cardiac muscle fibers connecting the atria with the ventricles of the heart, occurring as a trunk and two bundle branches; it propagates the atrial contraction rhythm to the ventricles, and its interruption produces heart block. The term is sometimes used specifically to denote only the trunk of the bundle. 
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Bundle of His considered as the trunk of the bundle and excluding the bundle branches.
medial forebrain bundle a group of nerve fibers containing the midbrain tegmentum and elements of the limbic system.
Thorel's bundle a bundle of muscle fibers in the human heart connecting the sinoatrial and atrioventricular nodes.
bun·dle (b n dl)n. A structure composed of a group of fibers, such as a fasciculus. |
bundle,
a group of nerve fibers or other threadlike structures running in the same direction. See also fasciculus.
bundle
a collection of fibers or strands, as of muscle fibers, or a fasciculus or band of nerve fibers.
accessory bundle of Kent
bundle of His.
atrioventricular bundle
bundle of His.
Bachmann bundle
a large muscle bundle between the right and left atria, thought to serve as a specialized conduction pathway.
bundle branch
see bundle branch.
fundamental bundle
that part of the white matter of the spinal cord bordering the gray matter and containing fibers that travel for a distance of only a few segments of the cord. Called also ground bundle.
bundle of His
a band of atypical cardiac muscle connecting the atria with the ventricles of the heart; called also atrioventricular bundle.
His bundle degeneration
associated with sudden unexpected death or periods of viciousness; most common in Doberman and German shepherd dogs.
His bundle stenosis
inherited in Pug dogs; associated with syncope and sudden death.
Keith's bundle
a bundle of fibers in the wall of the atrium of the heart between the venae cavae.
medial forebrain bundle
a group of nerve fibers connecting the midbrain tegmentum and elements of the limbic system.
sinoatrial bundle
Keith's bundle.
Thorel's bundle
a bundle of muscle fibers in the human heart connecting the sinoatrial and atrioventricular nodes.
uncinate bundle
the sharply bent bundle that connects the frontal lobe of the brain with the temporal and occipital lobes.
bundle of Vicq d'Azyr
a band of fibers from the mamillary body to the anterior nucleus of the thalamus.
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