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The diaphragm is a dome-shaped muscle located at the base of the thoracic cavity, separating the chest from the abdominal cavity. It plays a crucial role in respiration, contracting to create negative pressure in the thoracic cavity, allowing air to flow into the lungs. The diaphragm is also innervated by the phrenic nerve, and it can be affected by various conditions, impacting breathing efficiency. Additionally, it has openings for structures like the aorta and esophagus, facilitating their passage between the thorax and abdomen.

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1mo ago

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