Anatomy

Adrenal Anatomy

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Adrenal Anatomy, Adrenal Gland, Suprarenal Gland, Glandula Suprarenalis

  • Anatomy
  1. Adrenal Gland is a flat, triangular organ that sits atop each Kidney
  2. Adrenal Gland is without ducts
  3. Medulla (sympathetic agent synthesis)
    1. Inner structure of the Adrenal Gland
    2. Epinephrine
    3. Norepinephrine
  4. Cortex (steroid hormone synthesis from Cholesterol)
    1. Outer structure of the Adrenal Gland
    2. Mineralcorticoids (esp. Aldosterone)
      1. Increases Sodium retention and Potassium excretion
      2. Increases water reabsorption from Kidney
    3. Glucocorticoids (esp. Cortisol)
      1. Increases metabolism, with increasing circulating Glucose
      2. Increases vascular tone and capillary permeability
  5. Images
    1. giAdrenalGrayBB1183.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    2. giAdrenalGrayBB1184.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)