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Thoracic wall

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Title: Thoracic wall  
Author: World Heritage Encyclopedia
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Subject: Papillary muscle, Thoracic cavity, Flail chest, Rhomboid minor muscle, Human Body
Collection: Thorax (Human Anatomy)
Publisher: World Heritage Encyclopedia

Thoracic wall

Thoracic wall
Body cavities
A transverse section of the thorax, showing the contents of the middle and the posterior mediastinum.
Anatomical terminology

The thoracic wall or chest wall is the boundary of the thoracic cavity.


  • Structure 1
  • Function 2
    • Diving reflex 2.1
  • Clinical significance 3
    • Necrosis 3.1
  • References 4
  • External links 5


The bony skeletal part of the wall is the rib cage, and the rest is made up of muscle, skin and fascia.

The chest wall has 10 layers namely skin, superficial fascia, deep fascia, serratus anterior, layer for ribs(containing intercostal muscles), endothoracic fascia from superficial to deep. However, the muscular layers vary according to the region of the chestwall for example it may include muscles like pectoralis major or latisimus dorsi


Diving reflex

When not breathing for long and dangerous periods of time in cold water, a person's body undergoes great temporary changes to try to prevent death. It achieves this through the activation of the

  • Thoracic wall at the US National Library of Medicine Medical Subject Headings (MeSH)
  • Anatomy photo:18:lo-0000 at the SUNY Downstate Medical Center

External links

  1. ^ Eskandarlou, M; Moaddab, AH (Aug 2010). "Chest wall necrosis and empyema resulting from attempting suicide by injection of petroleum into the pleural cavity". Emerg Med J. 27 (8): 616–8.  


In rare cases intentional or accidental trauma may lead to chest wall (thoracic wall) necrosis.[1]


Clinical significance
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