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Thorax
Lecture 3
Dr. Maher Hadidi, University of Jordan 1Spring 2019
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Slides of Anatomy
Please Note: These slides were edited by the Premed Academic Team to fit the slides of
Spring 2019.
Dr. Maher Hadidi, University of Jordan 2Spring 2019
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MediastinumCentral part between pleural sacs.
Borders: • Thoracic Inlet ->
Superior.• Diaphragm ->
Inferior.• Sternum -> Anterior.• All thoracic vertebrae
-> Posterior.
THIS IS AN EXTRA PICTURE FOR EXPLANATION.Dr. Maher Hadidi, University of Jordan 3Spring 2019
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SubdivisionsAn imaginary line extending from sternal angle anterior to IVD between T4/T5 divides mediastinum into: 1. Superior mediastinum. 2. Inferior mediastinum,The pericardium and its contents divides inferior mediastinum into: a. Anterior mediastinum.b. Middle mediastinum. c. Posterior mediastinum.*each part has its borders and contents
Dr. Maher Hadidi, University of Jordan 4Spring 2019
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Superior
MediastinumBorders:▪ Superior -> Thoracic inlet.▪ Inferior -> Imaginary line.▪ Anterior -> Manubrium. ▪ Posterior -> Upper 4
thoracic vertebrae. ▪ Contents: Next
Dr. Maher Hadidi, University of Jordan 5Spring 2019
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CONTENTS: 1. Esophagus.2. Trachea.3. Arch of aorta and its
3 large branches.4. Superior vena cava.5. Right and left
brachiocephalic Vs.6. Thymus gland.7. Thoracic duct.8. Phrenic nerves.9. Vagus (X) nerves.10.Sympathetic trunks.
Dr. Maher Hadidi, University of Jordan
6Spring 2019
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Dr. Maher Hadidi, University of Jordan
7Spring 2019
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Contents of Superior Mediastinum
THIS IS AN
EXTRA PICTURE
FOR EXPLANA
TION.
Dr. Maher Hadidi, University of Jordan
8Spring 2019
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Spring 2019 9
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Dr. Maher Hadidi, University of Jordan
10Spring 2019
THIS IS AN
EXTRA PICTURE
FOR EXPLANA
TION.
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Anterior Mediastinum Borders: • Superior -> Imaginary line.• Inferior -> Diaphragm.• Anterior -> Body of sternum. • Posterior -> Pericardium.
Contents: • Thymus gland.• Fat.
Dr. Maher Hadidi, University of Jordan 11Spring 2019
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Dr. Maher Hadidi, University of Jordan12Spring 2019
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Middle Mediastinum Borders: • Superior -> Imaginary
line.• Inferior -> Central
tendon of diaphragm. • Anterior -> Ant.
Mediastinum.• Posterior -> Middle 4
thoracic vertebrae. Contents: • Heart.• Pericardium. • Phrenic nerves.
Dr. Maher Hadidi, University of Jordan
13Spring 2019
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Posterior Mediastinum Borders: • Superior -> Imaginary line.• Inferior -> Sloping part of
diaphragm. • Anterior -> Pericardium.• Posterior -> Lower 8
thoracic vertebrae. Contents: • Esophagus.• Thoracic aorta.• Azygous veins.• Thoracic duct.• Sympathetic trunks.
Dr. Maher Hadidi, University of Jordan14Spring 2019