artery

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artery,

blood vessel that conveys blood away from the heartheart,
muscular organ that pumps blood to all parts of the body. The rhythmic beating of the heart is a ceaseless activity, lasting from before birth to the end of life. Anatomy and Function

The human heart is a pear-shaped structure about the size of a fist.
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. Except for the pulmonary artery, which carries deoxygenated blood from the heart to the lungs, arteries carry oxygenated blood from the heart to the tissues. The largest arterial trunk is the aortaaorta
, primary artery of the circulatory system in mammals, delivering oxygenated blood to all other arteries except those of the lungs. The human aorta, c.1 in. (2.54 cm) in diameter, originates at the left ventricle of the heart.
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, branches of which divide and subdivide into ever-smaller tubes, or arterioles, until they terminate as minute capillariescapillary
, microscopic blood vessel, smallest unit of the circulatory system. Capillaries form a network of tiny tubes throughout the body, connecting arterioles (smallest arteries) and venules (smallest veins).
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, the latter connecting with the veinsvein,
blood vessel that returns blood to the heart. Except for the pulmonary vein, which carries oxygenated blood from the lungs to the heart, veins carry deoxygenated blood. The oxygen-depleted blood passes from the capillaries to the venules (small veins).
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 (see circulatory systemcirculatory system,
group of organs that transport blood and the substances it carries to and from all parts of the body. The circulatory system can be considered as composed of two parts: the systemic circulation, which serves the body as a whole except for the lungs, and the
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). Other important arteries are the subclavian and brachial arteries of the shoulder and arm, the carotid arteries that lead to the head, the coronary arteries that nourish the heart itself, and the iliac and femoral arteries of the abdomen and lower extremities. The walls of the large arteries have three layers: a tough elastic outer coat, a layer of muscular tissue, and a smooth, thin inner coat. Arterial walls expand and contract with each heartbeat, pumping blood throughout the body. The pulsating movement of blood, or pulsepulse,
alternate expansion and contraction of artery walls as heart action varies blood volume within the arteries. Artery walls are elastic. Hence they become distended by increased blood volume during systole, or contraction of the heart.
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, may be felt where the large arteries lie near the body surface.

artery

[′ärd·ə·rē]
(anatomy)
A vascular tube that carries blood away from the heart.

artery

any of the tubular thick-walled muscular vessels that convey oxygenated blood from the heart to various parts of the body
References in periodicals archive ?
Computed tomography angiography of our patient revealed splenic artery occlusion, tortuous vascular structures in the gastric fundus, and extension of these vascular structures to the splenic hilum.
Nonselective SAE, embolization of main trunk of splenic artery, seemed more ideal than selective SAE, embolization of each branch of splenic artery, to preserve left gastroepiploic artery.
The case was finally diagnosed as infective endocarditis complicated with ruptured infections splenic artery aneurysm and infarction of spleen and left kidney.
The use of splenic artery embolisation as a bridge to safe laparoscopic sple-nectomy in a patient with resistant immune thrombocy-topenic purpura.
Embolization of the splenic artery either preoperatively or intra-operatively has also been practiced to achieve the same desirable effects of ligation.
In our patient case, due to infiltration into splenic artery and vein, the surgery was subtotal.
A total of 327 cases with splenic artery aneurysm were enrolled from 1998 to 2014, including 142 males and 185 females, with the age ranging from 37 to 78 years and an average age of 51.
2) Vascular supply is usually from the splenic artery.
The left gastroepiploic artery branches off of the splenic artery.
Urgent blood transfusion was commenced and an emergency arteriography revealed a ruptured pseudoaneurysm in the splenic artery.
7) Angio-embolisation of the splenic artery is a well-described modality of treatment in the literature on adult patients.