Hormone of posterior pituitary Gland || Disorder of posterior pituitary ~ Medical diseases and trems ,symptoms causes TREATMENT

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Hormone of posterior pituitary Gland || Disorder of posterior pituitary





1. Anti Diuretic Hormone

                       It is also Known as Vasopressin or Water regulating hormone of the body.

   Function of ADH

                 *    It cause vasoconstriction .

                 *     The ADH receptor present on the DCT and CT of Nephron and this hormone cause                                       reabsorption of water.

                 *     It decrease blood osmolarity and increase urine osmolarity.

                 *     The posterior pituitary stimulated to release the ADH when the blood osmolarity                                      become decrease.

  Disorder of ADH

               1. Hyposecretion of ADH

                                    -  Diabetes insipidus

               2. Hyper secretion of ADH

                                    -   SIADH  { Syndrome of inappropriate ADH}.

2. Oxytocin 

                It is also known as Galactokinetic hormone or love hormone

   Function of Oxytocin 

                In Female 

                       - This hormone increase uterine contraction

                       - It is responsible for ejection of milk.

               In Female 

                     - This hormone increase contraction of vas deference during sexual intercourse and help                          in the Ejaculation .

Disorder of oxytocin

         *    Hypersecretion of Oxytocin will cause hypertonic uterine contraction.

         *   Hyposecretion of oxytocin will cause Uterine Inertia { hypotonic contraction } 

 


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