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The coronary arteries are the arterial blood vessels of coronary circulation, which transport oxygenated blood to the heart muscle. The heart requires a continuous supply of oxygen to function and survive, much like any other tissue or organ of the body. [1] The coronary arteries wrap around the entire heart.
The arteries of the head and neck. The common carotid artery. The external carotid artery; The triangles of the neck; The internal carotid artery; The arteries of the brain; The arteries of the upper extremity The subclavian artery; The axilla. The axillary artery; The brachial artery; The radial artery; The ulnar artery; The arteries of the ...
Coronary arteries supply oxygenated blood to the heart muscle. Cardiac veins then drain away the blood after it has been deoxygenated. Because the rest of the body, and most especially the brain , needs a steady supply of oxygenated blood that is free of all but the slightest interruptions, the heart is required to function continuously.
The externa, alternatively known as the tunica adventitia, is composed of collagen fibers and elastic tissue—with the largest arteries containing vasa vasorum, small blood vessels that supply the walls of large blood vessels. [3] Most of the layers have a clear boundary between them, however the tunica externa has a boundary that is ill-defined.
Blood vessels function to transport blood to an animal's body tissues. In general, arteries and arterioles transport oxygenated blood from the lungs to the body and its organs, and veins and venules transport deoxygenated blood from the body to the lungs. Blood vessels also circulate blood throughout the circulatory system.
It originates from the axillary artery and follows the lower border of the pectoralis minor muscle [1] to the side of the chest to supply the serratus anterior muscle, [2] pectoralis major muscle [3] and pectoralis minor muscle, [4] and sends branches across the axilla to the axillary lymph nodes and subscapularis muscle.
Acetabular branch of medial circumflex femoral artery; Anterior lateral malleolar artery; Anterior medial malleolar artery; Anterior scrotal arteries; Anterior tibial artery; Anterior tibial recurrent artery; Arcuate artery of the foot; Ascending branch of medial circumflex femoral artery
Superficial dissection of the right side of the neck, showing the carotid and subclavian arteries. At the lower part of the neck, the common carotid artery is very deeply seated, being covered by the integument, superficial fascia, the platysma muscle, deep cervical fascia, the sternocleidomastoid muscle, the sternohyoid, sternothyroid, and the ...