INTEGRATED MECHANISMS OF VASCULAR TONE REGULATION IN HEALTH
Abstract
Vascular tone regulation is essential for maintaining adequate blood flow, blood pressure, and tissue perfusion under normal physiological conditions. Blood vessels dynamically adjust their diameter through coordinated neural, hormonal, endothelial, and local metabolic mechanisms. These integrated regulatory systems ensure rapid adaptation to changes in metabolic demand, physical activity, and environmental conditions. This article reviews the physiological mechanisms involved in vascular tone regulation, emphasizing the interaction between systemic and local control pathways. Understanding these integrated mechanisms is fundamental for comprehending cardiovascular homeostasis and the early functional changes preceding vascular disease.Keywords
Vascular tone; vasodilation; vasoconstriction; endothelial function; autonomic regulation; cardiovascular physiology
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