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POSTERIOR MEDIASTINUM - Coggle Diagram
POSTERIOR MEDIASTINUM
BORDERS
• Lateral – mediastinal Pleura
• Anterior – Pericardium
• Posterior – T5-T12
• Roof – imaginary line from sternal angle to T4
• Floor – Diaphragm
CONTENTS
• Thoracic aorta
• Oesophagus
• Thoracic duct (lymphatic drainage)
• Azygous system of veins
• Sympathetic trunk
AUTONOMIC NERVOUS SYSTEM
THORACIC SYMPATHETIC TRUNK
Cell bodies of nerves within spinal c.
Fibers exit spinal c. and vertebral canal via vertebral rami of spinal nerves
Sympathetic innervation to>thoracic & abdominal viscera
PULMONARY TRUNK
Derived from Vagus nerve
Parasympathetic innervation
Innervates: bronchial tree & visceral pleura