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

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