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Arteries

Thyrocervical Trunk

It’s the short, wide branch of the subclavian artery. Origin, Course and Conclusion The thyrocervical trunk originates from the upper aspect of the initial part of the subclavian artery in the medial margin of the scalenus anterior and lateral to the origin of vertebral artery. It instantly

Costocervical Trunk

Origin It appears from posterior aspects of: (a) first part of the subclavian artery on the left side and (b) second part of the subclavian artery on the right side. Course and Conclusion The artery arches backwards above the cupola of the pleura and on reaching the

Intercostal Arteries

Posterior and anterior intercostal arteries are responsible for the blood supply. Blood supply is abundant in the thoracic wall. 1 posterior and 2 anterior intercostal arteries (upper and lower) are included in every intercostal spaces. Posterior Intercostal Arteries There are 11 pairs of intercostal arteries, 1 in

Internal Thoracic Artery

The two internal thoracic arteries can be differentiated as left and right. One on the either side of sternum and is located deep towards the anterior chest wall. Origin The initial part of the subclavian artery (lower surface) is the source of the internal thoracic artery situated

Arterial Supply Of The Lungs

2 sets of arteries provide the lungs , viz. A. Bronchial arteries. B. Pulmonary arteries. Bronchial Arteries. Nourishment to the bronchial tree and pulmonary tissue are provided by the the bronchial arteries. 1 bronchial artery provides the right lung, which originates from the right third posterior intercostal

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