Suprarenal Glands

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Author:
emt-shawn
ID:
83283
Filename:
Suprarenal Glands
Updated:
2011-05-02 16:58:36
Tags:
Anatomy physiology
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Description:
Chapter 18
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  1. Epinephrine
    Region: Suprarenal Medulla

    Primary Targets: Most Cells

    Hormonal Effects: Increases cardiac activity, blood pressure, glycogen breakdown, blood glucose levels; releases lipids by adipose tissue

    Regulatory Control: Stimulated during sympathetic activation by sympathetic preganglionic fibers
  2. Norepinephrine
    Region: Suprarenal Medulla

    Primary Targets: Most Cells

    Hormonal Effects: Increases cardiac activity, blood pressure, glycogen breakdown, blood glucose levels; releases lipids by adipose tissue

    Regulatory Control: Stimulated during sympathetic activation by sympathetic preganglionic fibers
  3. Mineralocorticoids (primarily aldosterone)
    Region: Suprarenal Cortex - Zona Glomerulosa

    Primary Targets: Kidneys

    Hormonal Effects: Increase renal absorption of Na+ and water (especially in the presence of ADH) and accelerate urinary loss of K+

    Regulatory Control: Stimulated by angiotensin II, elevated plasma K+ or a fall in plasma Na+; inhibited by ANP and BNP
  4. Glucocorticoids (cortisol{hydrocortisone}, corticosterone)
    Region: Suprarenal Cortex - Zona Fasciculate

    Primary Targets: Most Cells

    Hormonal Effects: Release amino acids from skeletal muscles and lipids from adipose tissues; promote liver formation of glucose and glycogen; promote peripheral utilization of lipids; anti-inflammatory effects

    Regulatory Control: Stimulated by ACTH from Adenohypophysis
  5. Androgens
    Region: Suprarenal Cortex - Zona Reticularis

    Primary Targets: Most Cells

    Hormonal Effects: Not important in adult men; encourages bone growth, muscle growth, and blood formation in children and women

    Regulatory Control: Stimulated by ACTH

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