Central nervous system regulation of vascular tone

The term "Central nervous system regulation of vascular tone" refers to the ensemble of processes and pathways by which the brain and spinal cord, primarily through autonomic pathways like the sympathetic and parasympathetic nervous systems, modulate the constriction or relaxation (tone) of blood vessels throughout the body. This system involves a network of neurotransmitters, receptors (such as adrenergic receptors), endothelium-derived factors (including nitric oxide and endothelin), and feedback mechanisms (such as the baroreflex) to maintain blood pressure, distribute blood flow, and respond to physiological or pathophysiological changes[2][4][5]. It is not a discrete molecular entity but a multicomponent regulatory system; its dysfunction is implicated in disorders such as hypertension, heart failure, and neurogenic vascular diseases[4][5]. To summarize, this query does not refer to a single target molecule or receptor, but to a physiological function involving numerous targets (e.g., adrenergic receptors, endothelial nitric oxide synthase) working together to control vascular tone in response to central nervous system signals[2][4].

Other names

CNS regulation of vascular toneNeural regulation of vascular toneSympathetic regulation of vascular tone