Thoracic cavity

























Thoracic cavity
Details
Identifiers
Latin Cavitas thoracis, cavum thoracis
MeSH D035423
TA A01.1.00.049
FMA 7565

Anatomical terminology
[edit on Wikidata]




The picture displays the Mediastinum on sagittal plane, Thoracic diaphragm at the bottom, the heart (Cor), behind Sternum and Costae (to the left on the picture (This is the Anterior (front))) and to the right (Posterior (back)) you have the Thoracic vertebrae.


The thoracic cavity (or chest cavity) is the chamber of the body of vertebrates that is protected by the thoracic wall (rib cage and associated skin, muscle, and fascia). The central compartment of the thoracic cavity is the mediastinum. There are two openings of the thoracic cavity, a superior thoracic aperture known as the thoracic inlet and a lower inferior thoracic aperture known as the thoracic outlet.


The thoracic cavity includes the tendons as well as the cardiovascular system which could be damaged from injury to the back, spine or the neck.




Contents






  • 1 Structure


  • 2 Clinical significance


  • 3 Additional images


  • 4 See also


  • 5 References


  • 6 External links





Structure


Structures within the thoracic cavity include:



  • structures of the cardiovascular system, including the heart and great vessels, which include the thoracic aorta, the pulmonary artery and all its branches, the superior and inferior vena cava, the pulmonary veins, and the azygos vein

  • structures of the respiratory system, including the Diaphragm, trachea, bronchi and lungs[1]

  • structures of the digestive system, including the esophagus,


  • endocrine glands, including the thymus gland,

  • structures of the nervous system including the paired vagus nerves, and the paired sympathetic chains,


  • lymphatics including the thoracic duct.


It contains three potential spaces lined with mesothelium: the paired pleural cavities and the pericardial cavity. The mediastinum comprises those organs which lie in the centre of the chest between the lungs. The cavity also contains two openings one at the top, the superior thoracic aperture also called the thoracic inlet, and a lower inferior thoracic aperture which is much larger than the inlet.



Clinical significance


If the pleural cavity is breached from the outside, as by a bullet wound or knife wound, a pneumothorax, or air in the cavity, may result. If the volume of air is significant, one or both lungs may collapse, which requires immediate medical attention.



Additional images






  • Illustration of Heart in Thoracic Cavity







  • Illustration of Heart Position Relative to the Rib Cage






See also


This article uses anatomical terminology; for an overview, see anatomical terminology.


References





  1. ^ Eskandarlou, M.; Moaddab, A. H. (2010). "Chest wall necrosis and empyema resulting from attempting suicide by injection of petroleum into the pleural cavity". Emergency Medicine Journal. 27 (8): 616–8. doi:10.1136/emj.2009.073486. PMID 20558490..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}




External links







  • thoraxlesson3 at The Anatomy Lesson by Wesley Norman (Georgetown University)











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