Blood pressure regulation - Regulation of peripheral resistance

3 important questions on Blood pressure regulation - Regulation of peripheral resistance

Arterial diameter is controlled by

- symp NS
- local control mechanisms
- circulating vasoactive hormones

What is neuronal control (SNS)

- vasoconstriction mediated by a1-adrenergic receptors on vascular smooth muscle cells.
- releasing of noradrenalin that causes vasoconstriction. No noradrenalin = vasodilation.

Circulating vasoactive hormones

Adrenalin, angiotensin-II, ADH

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