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Hypothalamus

Description

An endocrine mind map starting at the Hypothalamus
stephen.dunkley
Mind Map by stephen.dunkley, updated more than 1 year ago
stephen.dunkley
Created by stephen.dunkley over 6 years ago
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Resource summary

Hypothalamus
  1. Oxytocin
    1. Pituitary Gland
      1. Posterior Pituitary
        1. ADH (Vasopressin)
          1. Too Much ADH SIADH
            1. Decreased UOP
              1. Decreased Serum Osmolarity (Hemococentration)
                1. Increased Urine SG, concetration
                2. Too Little ADH: Diabetes Insipidus
                  1. Polyuria (20-30L daily)
                    1. Decreased Urine SG, dilute urine
                      1. Hyponatremia
                        1. Severe dehydration
                    2. Anterior Pituitary
                      1. TSH
                        1. Thyroid
                          1. Calcitonin
                            1. Decrease Serum Ca Levels
                              1. Inhibits Ca loss from bone
                                1. Normal levels 8.5-10 mg/dL
                                  1. Increases renal excretion of Ca
                                  2. T3/T4
                                    1. Increase Activity
                                      1. Increase mental process
                                        1. Accelerate Growth in Children
                                        2. Parathyroid
                                          1. PTH
                                            1. Promotes Ca loss from bones
                                              1. Decreases renal Excretion of Ca
                                                1. Increases serum Ca levels
                                          2. GH
                                            1. FSH/LH
                                              1. Prolactin
                                                1. ACTH
                                                  1. Adrenal Cortex
                                                    1. Mineralcorticoids (Aldosterone)
                                                      1. Increase Na+, Decrease K+
                                                        1. Blood loss repsonse
                                                          1. Stimulates Renin Angiotensin in Kidneys
                                                          2. Glucocorticoids (Cortisol)
                                                            1. Suppress inflammation/immune response
                                                              1. Critical for stress response
                                                                1. Promotes protein and fat breakdown to glucose during stress
                                                              2. Adrenal Medulla
                                                                1. Catecholamines
                                                                  1. Epinephrine
                                                                    1. Norepinephrine
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