Examlex
In which layer of the epidermis are lamellar bodies formed inside keratinocytes?
Conducting System
A network in the heart that electrically controls and coordinates heart muscle contractions.
SA Node
The sinoatrial node, a group of cells in the right atrium of the heart that acts as a natural pacemaker by initiating the heart's electrical impulses.
Purkinje Fibers
Specialized conducting fibers located in the heart's ventricles that help regulate the heart's rhythm.
Heart Skeleton
Fibrous connective tissue that provides a point of attachment for cardiac muscle cells, electrically insulates the atria from the ventricles, and forms the fibrous rings around the valves.
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