thoracic cavity diagram

August 03, 2026

General

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Your thoracic cavity is a space in your chest that contains your heart, lungs and other organs and tissues. The pleural cavities and mediastinum are its main parts. Thoracic cavity, the second largest hollow space of the body. It is enclosed by the ribs, the vertebral column, and the sternum, or breastbone, and is separated from the abdominal cavity by the diaphragm. Among the major organs contained in the thoracic cavity are the heart and lungs. The thorax (pl.: thoraces or thoraxes) [1] or chest is a part of the anatomy of mammals and other tetrapod animals located between the neck and the abdomen. [2][3] In insects, crustaceans, and the extinct trilobites, the thorax is one of the three main divisions of the body, each in turn composed of multiple segments. The human thorax includes the thoracic cavity and the thoracic wall. It ... Your thoracic spine is the middle section of your spine. It starts at the base of your neck and ends at the bottom of your ribs. It consists of 12 vertebrae. The thoracic spine has several features that distinguish it from the lumbar and cervical spine. Various problems in the thoracic spine can lead to pain. For related background details, please refer to our report on light switch wiring red black. In vertebrates, thoracic vertebrae compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae. [a] In humans, there are twelve thoracic vertebrae of intermediate size between the cervical and lumbar vertebrae; they increase in size going towards the lumbar vertebrae. [citation needed] They are distinguished by the presence of facets on the sides ... The meaning of THORACIC is of, relating to, located within, or involving the thorax. How to use thoracic in a sentence.