Examlex
A.What is the role of regulatory CD4 T cells (Treg)?
B.How can Treg be distinguished from other non-regulatory CD4 T cells?
Bundle of His
A collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node (atrioventricular node) to the ventricles of the heart.
Purkinje Fibers
Specialized conducting fibers located within the heart's ventricular walls that facilitate electrical impulses for heart contractions.
AV Node
The atrioventricular node, a part of the heart's electrical control system that acts as a gatekeeper for electrical impulses between the atria and ventricles.
Parasympathetic Nerve
Nerves that are part of the autonomic nervous system, responsible for conserving energy and slowing down bodily functions.
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