Chest cavity
Chest cavity
The chest cavity (pronounced: /ˈtʃɛst ˈkavɪti/), also known as the thoracic cavity, is a space within the human body that houses vital organs such as the heart, lungs, and esophagus. The term "chest cavity" is derived from the Old English "cist" meaning box, and the Latin "cavitas" meaning hollow space.
Anatomy
The chest cavity is enclosed by the rib cage, sternum, and the spine. It is separated from the abdominal cavity by the diaphragm, a muscular and fibrous structure that aids in respiration.
Function
The primary function of the chest cavity is to protect and house the organs of the respiratory and cardiovascular systems. It also provides the necessary space for these organs to expand and contract during the processes of breathing and heartbeat.
Related Terms
- Pleural cavity: The space between the two pleural membranes, which contains the lungs.
- Mediastinum: The central compartment of the thoracic cavity, which contains the heart, esophagus, and trachea.
- Thoracotomy: A surgical procedure to gain access to the chest cavity.
See Also
External links
- Medical encyclopedia article on Chest cavity
- Wikipedia's article - Chest cavity
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