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Arteries of the Neck and Head
...  properly on the upper parts of the systematic loop. The circulation originates from the aortic arch and the arteries supplying the blood, including the left common carotid artery, the brachiocephalic artery and the left subclavian artery. Blood goes from the head and neck through the jugular vein and the subclavian vein. The brachiocephalic artery or trunk is the largest artery and it  ...

Aortic Arch
...  aortic arch is synonymous to the Arch of Aorta. It is a bow-like structure. It is the curving portion between the ascending aorta and the descending aorta. This structure gives rise to the brachiocephalic trunk, the left common carotid artery and the left subclavian artery. The plura and anterior margins of the lungs cover the arch of the aorta. The remains of the thymus also contribute to  ...

Ventricles Of The Brain
...  through an opening called the interventricular foramen. The fourth ventricle in the brain is situated between the cerebellum and the pons, and connecting it with the third ventricle is the mesencephalic aqueduct. It then completes the link of these four ventricles, as it is transversed in the midbrain. Although the fourth ventricle plays several roles for the function of the nervous system,  ...

Thorax Veins
...  is the superior vena cava that accepts blood from brachiocephalic veins, and the azygos system occurring in the veins. This so called azygos vein running with respect to the thorax, specifically in its superior wall and also in the abdomen. It will also pass through the vertebral column’s right side and then through the mediastinum it rises. Attached with the azygos system is the  ...

Veins To The Head And Neck
...  the vagus nerve and the common carotid artery, situated near the inferior regions of the neck. The carotid sheath protects all the veins located beneath the sternocleidomastoid muscles . The brachiocephalic vein is formed by the connection of the subclavian veins and the internal jugular veins. This is true for both sides of the body. The two brachiocephalic veins combine to join the superior  ...

Upper Extremity Veins
...  veins, which are found on the arm. The brachial vein refers to the combination of the cubital fossa, the radial veins and the ulnar veins. The medial side of the arm is where the veins basilica and cephalic can be found, and they serve as the main veins of the medial arm region. The brachial vein and the basilica vein meet at the humerus’ point, passing through the ulna vein. This meeting  ...

Thyroid Gland
...  subclavian arteries. Superior and middle thyroid veins provide venous drainage to the thyroid. The veins travel from the internal jugular veins to the inferior thyroid vein to arrive at the brachiocephalic veins. The structure of the thyroid gland is made up of microscopic thyroid follicles. These follicles look like spheroid sacs that do not contain anything inside. The sacs are lined with  ...


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