====== THYROID GLAND ======

  * Thyroid gland 
    * Synonyms 
      * Shield gland , neck gland , 
    * Situation 
      * C5-C7 and T1 
      * embracing upper part of trachea 
      * From 
        *  Middle of thyroid cartilage 
      * To 
        * Fourth tracheal ring 
    * Dimensions 
      * 5x2.5x2.5 cm 
      * 25 grams 
      * Larger in females than in males 
      * Increases in size during pregnancy 
    * Parts 
      * Right and left lobes 
      * Isthmus 
        * Joins two lobes 
      * Third Pyramidal lobe 
        * Projects upwards from isthmus 
      * Fibrous muscular band 
        * Levator gladulae thyroidae 
          * From body of  hyoid bone to isthmus or to pyramidal lobe 
    * Shape 
      * Conical 
        * Apex 
        * Base 
    * Surfaces 
      * Lateral 
      * Medial 
      * Posterolateral 
    * Borders 
      * Anterior 
      * Posterior 
    * Capsule 
      * True capsule 
      * False capsule 





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====== THYROID GLAND  ======


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