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Thorax

Epiglottis

The epiglottis is a leaf-shaped flexible flap of cartilage located behind the tongue at the end of the larynx. One of the main function of the epiglottis is to protect the body from chocking by sealing the windpipe during eating, so the food is inhaled accidentally. Structure

Teres Major

Teres major is a thick and oval-shaped muscle that lies in the upper arm. Although having similar names, Teres major is different in terms of actions and innervation when compared to the teres minor. It’s main function is to facilitate medial rotation of the arm and it

Inferior Thoracic Aperture (Thoracic Outlet)

The Inferior Thoracic Aperture is broad and the upper part of the abdominal cavity is encompassed by the inferior thoracic aperture. The thoracic cavity and the abdominal cavity is divided by the large musculoaponeurotic diaphragm connected to the margins of thoracic outlet.   Borders Anteriorly: Xiphisternal joint.

Lungs (Pulmones)

The lungs or pulmones are the primary organs of respiration. The 2 lungs (left and right) are situated in the thoracic cavity, 1 on either side of the mediastinum enclosed in the pleural sac. The primary function of lungs would be to oxygenate the blood, i.e., exchange

Arterial and Nerve Supply layer of Pericardium

Arterial Supply The fibrous pericardium and parietal layer of visceral pericardium is supplied by the branches of the following arteries: Internal thoracic artery. Musculophrenic arteries. Descending thoracic aorta. The visceral layer of serous pericardium is supplied by the coronary arteries. Nerve Supply The fibrous pericardium and parietal

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