en:oesophagus [Chapters]

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====== Oesophagus ======

  * OESOPHAGUS
    * Synonyms 
       * Food pipe , muscular food pipe 
    * Situation 
      * Between trachea and vertebral column 
      * Begins at lower border of cricoid cartilage at the level of C6 
      * Traverses 
      * Through superior mediastinum 
      * Then  posterior and inferior  mediastinum 
      * Opens in to cardia of stomach 
    * PARTS
      * Cervical part
        * Relations 
          * Anterior 
            * Trachea and right and left recurrent laryngeal nerves 
          * Lateral 
            * Thyroid gland lobes , 
              * Left side - thoracic duct 
          * Posterior 
            * Longus colli muscle and vertebral column 
      * Thoracic part
        * Thoracic constriction; broncho-aortic constriction
        * Diaphragmatic constriction
      * Abdominal part
    * HISTOLOGY
      * Serosa; serous coat
      * Subserosa; subserous layer
      * Adventitia
      * Muscular layer; muscular coat
        * Crico-oesophageal tendon
        * Broncho-oesophageus
        * Pleuro-oesophageus
      * Submucosa
      * Mucosa; mucous membrane
        * Muscularis mucosae
      * Oesophageal glands




| OESOPHAGUS                                                 | OESOPHAGUS                                          |   |   |
| Pars cervicalis; pars colli                                | Cervical part                                       |   |   |
| Pars thoracica                                             | Thoracic part                                       |   |   |
| Constrictio partis thoracicae; constrictio bronchoaortica  | Thoracic constriction; broncho-aortic constriction  |   |   |
| Constrictio phrenica; constrictio diaphragmatica           | Diaphragmatic constriction                          |   |   |
| Pars abdominalis                                           | Abdominal part                                      |   |   |
| Tunica serosa                                              | Serosa; serous coat                                 |   |   |
| Tela subserosa                                             | Subserosa; subserous layer                          |   |   |
| Tunica adventitia                                          | Adventitia                                          |   |   |
| Tunica muscularis                                          | Muscular layer; muscular coat                       |   |   |
| Tendo cricooesophageus                                     | Crico-oesophageal tendon                            |   |   |
| M. bronchooesophageus                                      | Broncho-oesophageus                                 |   |   |
| M. pleurooesophageus                                       | Pleuro-oesophageus                                  |   |   |
| Tela submucosa                                             | Submucosa                                           |   |   |
| Tunica mucosa                                              | Mucosa; mucous membrane                             |   |   |
| Lamina muscularis mucosae                                  | Muscularis mucosae                                  |   |   |
| Glandulae oesophageae                                      | Oesophageal glands                                  |   |   |




===== features =====




===== Curvatures =====



===== Constrictions =====




===== Relations =====


**Anteriorly**

  * Trachea
  * bronchus
  * right pulmonary artery
  * Pericardium
  * left atrium
  * diaphragm



**Posteriorly **

  * Vertebral Column
  * Right Posterior Intercostal Arteries
  * Thoracic Duct
  * Azygous vein 
  * Thoracic Aorta 
  * Right pleural Recess  


**Left Side**

  * Aortic Arch 
  * Left subclavian artery
  * Thoracic Duct
  * Left Lung and pleura
  * Left recurrent laryngeal nerve 

//posterior mediastinum//

  * Descending thoracic aorta
  * left lung and mediastinal pleura

**Right Side**

  * right lung and pleura
  * Azygous vein
  * Right Vagus


===== Arterial and Venous supply =====



===== Microscopic Anatomy =====

{{:histology:esophagus.jpg?650px}}