Sympathomedullary pathway
- Created by: z_mills1
- Created on: 15-05-14 09:00
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- SAM
- triggered by a sudden, acute stressor
- hypothalamus stimulates the sympathetic nervous system (activated in situations needing energy and arousal)
- adrenal medulla is then activated
- releases adrenaline and noradrenaline into bloodstream
- this prepares body for FIGHT or FLIGHT
- pupils dilate to increase alertness
- increase in blood flow to the muscles
- increase in hear and respiration rate
- reduced salivation (mouth dries up)
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