why is the pericycle part of the vascular cylinder
Pericycle Although it is composed of non-vascular parenchyma cells, it is still considered part of the vascular cylinder because it arises from the procambium as do the vascular tissues it surrounds.
Pulse Pressure waves generated by the heart in systole move the arterial walls. Forward movement of blood occurs when the boundaries are pliable and compliant. These properties form enough to create a palpable pressure wave.
Vein Veins are less muscular than arteries and are often closer to the skin. There are valves in most veins to prevent backflow.
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