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THORACIC WALLS Dr.Sherif Fahmy

Thoracic walls (Anatomy of the Thorax)

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Page 1: Thoracic walls (Anatomy of the Thorax)

THORACIC WALLS

Dr.Sherif Fahmy

Page 2: Thoracic walls (Anatomy of the Thorax)

Skeleton of Thoracic Cage

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Muscles of the Thoracic

Wall(Page 27 )

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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B- Muscles on inner aspect of thoracic wall

Sternocostalis & Subcostalis

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Intercostal Nerves(Page 40)

• They are 11 nerves.• Classified into:

1- Typical intercostal nerves: 3rd – 6th nerve.2- Atypical intercostal nerves: 1st & lower 5 nerves.

Dr.Sherif Fahmy

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Course of Typical Intercostal Nerves

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Branches of Typical Intercostal

Nerves

Dr.Sherif Fahmy

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Anterior cutaneous br. Dr.Sherif Fahmy

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Thoraco-abdominal nerves (T7-T11)

Subcostal n.

Dr.Sherif Fahmy

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Collateral br.

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Blood Supply of

Thoracic Wall(Page 31)

Dr.Sherif Fahmy

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Intercostal Arteries

1- Posterior intercostal arteries (11 pairs).2- Anterior intercostal arteries (9 pairs).

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Posterior Intercostal

Arteries

Dr.Sherif Fahmy

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Origin of Posterior Intercostal

Arteries

Dr.Sherif Fahmy

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Subclavian artery Costo-cervical trunk

Descending thoracic aorta

3rd – 11th post. Intercostal arteries

Subcostal artery

1st & 2nd post. Intercostal arteries

Dr.Sherif Fahmy

Page 33: Thoracic walls (Anatomy of the Thorax)

Course of Posterior

Intercostal arteries

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

Page 36: Thoracic walls (Anatomy of the Thorax)

Branches of Posterior Intercostal

Arteries

Dr.Sherif Fahmy

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Collateral br.

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Internal Thoracic Artery

(Page 33)

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Veins of Chest Wall

Internal Thoracic, Azygos &

HemiazygosDr.Sherif Fahmy

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Vena Azygos(Page 37)

& Hemiazygos

Veins(Page 39)

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Thoracic Outlet

Dr.Sherif Fahmy

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Diaphragm

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Thoracic Inlet

Dr.Sherif Fahmy

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Dr.Sherif Fahmy

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Dr.Sherif Fahmy


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