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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

Component Parts Thoracic Wall

The thoracic wall is composed of skeletal parts and muscles. Posteriorly, it’s created from twelve thoracic vertebrae and their intervening intervertebral discs. Laterally, the wall is composed by ribs (twelve on every side) and 3 layers of flat muscles, which span the inter  costal spaces between adjacent

Pulmonary Ligament

Pulmonary ligament is the term used for the fold that goes down. As the wrist is surrounded by the cuff of the coat, in the same manner the root of the lung is surrounded by the pleura.  From the root of the lung, pulmonary ligament stretches itself

Middle Mediastinum- Anatomy, Boundaries And Content

Boundaries Anterior: Anterior mediastinum. Posterior: Posterior mediastinum. Superior: Superior mediastinum. Inferior: Diaphragm. Contents 1) Heart. 2) Pericardium. 3) Arteries: Ascending aorta. Pulmonary trunk dividing into 2 pulmonary arteries. Pericardiophrenic arteries. 4) Veins: Superior vena cava (lower half). Azygos vein (terminal part). Pulmonary veins (left and right). 5)

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