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Hormonal Response to Stress

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Hormonal Response to Stress Adrenal Glands located above each kidney inner adrenal medulla outer adrenal cortex Adrenal Medulla hormones epinephrine (adrenaline) and ... – PowerPoint PPT presentation

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Title: Hormonal Response to Stress


1
Hormonal Response to Stress
2
Adrenal Glands
  • located above each kidney
  • inner adrenal medulla
  • outer adrenal cortex

3
Adrenal Medulla hormones
  • epinephrine (adrenaline) and norepinephrine
    (noradrenaline) produced during times of stress
  • released into blood, causes glycogen to be
    converted to glucose, sugar levels
  • speeds up heart breathing rates, cell
    metabolism, and causes pupil to dilate (more
    light into retina)

4
Adrenal Cortex hormones
  • glucocorticoids ex cortisol. Helps body
    recover from stress.
  • mineralocorticoids ex aldosterone. Helps
    kidneys maintain fluid levels.

5
Short-term Stress Response
Results In in blood glucose b/c glycogen
converted in HR, BR cell meta. More blood
flow to heart and muscle cells
epinephrine norephrine secreted
YouTube - Adrenaline Fight or Flight Response
6
Long-term Stress Response
  • Mineralcortocoids
  • in Na H2O retained by kidneys
  • in blood volume pres.
  • Glucocorticoids
  • in blood glucose levels (proteins fats
    convert.)
  • suppression of immune system
  • YouTube - Stress Response Animation

cortisols (mineralcortocoids glucocorticoids)
secreted
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