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Physiological mechanisms involved in the maintenance of orthostatic normotension
| Baroreflex pathway initiated at the carotid sinus and arch of aorta |
| Venoarteriolar reflex |
| Myogenic responses |
| Vestibulospinal reflex |
| Vasopressin–endothelin–nitrous oxide system |
| Systemic constrictor effects of renin–angiotensin system |
| Sodium/volume effects of aldosterone |
