Venous constriction in response to head-up tilt in man.
D000328:Adult; D001810:Blood Volume; D005260:Female; D005542:Forearm / Q000098:blood supply; D006706:Homeostasis; D006801:Humans; D008297:Male; D010991:Plethysmography; D011187:Posture; D012039:Regional Blood Flow; D014680:Veins / Q000502:physiology*; D014690:Venous Pressure