Mediastinum Flashcards
Mediastinum is covered with
Mediastinal pleura
Superior mediastinum ant to post
Thymus
Great vessels
Aortic arch
Nerves
Trachea
Esophagus
Thoracic duct
Prevertebral nm
Thoracic Aorta
Branches:
Thoracic Aorta
. Bronchial Arteries 5. Esophageal Arteries 2. Pericardial Arteries 6. Mediastinal Arteries 3. Post. Intercostal Arteries 7. Subcostal Arteries 4. Superior Phrenic Arteries
Anatomic Impressions or “Constrictions”: of esophagus
- Crossing with Aortic Arch
- Crossing with Left Main Bronchus
- Diaphragmatic Hiatus
- Junction of esophagus with pharynx (1.5cm-narrowest part)
Thoracic Duct originates from
Cisterna Chyle the abdomen & passes through aortic hiatus of diaphragm at level of T12
Aortic hiatus is at the level of
T12
Superior Vena Cava formed at the level of……..
And enters right atrium at the level of ………
1st right costal cartilage
3rd right costal cartilage
Contents of anterior mediastinum
Loose CT (Sternopericardial Ligament)
Adipose tissue
Lymphatic Vessels & lymph nodes
Branches of Internal Thoracic Vessels
Thymus
Esophageal hiatus of diaphragm at the level of
T10
Hemiazygos Vein
- arises on left side of the vertebral column to level of
T9
Accessory Hemiazygos Vein
- starts at
medial end of 4th or 5th ICS
Superior vena cava is formed at ……..
Enters right atrium at……
1st rightcostal cartilage
3rd right costal cartilage
