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.
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artery

[′ärd·ə·rē]
(anatomy)
A vascular tube that carries blood away from the heart.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

artery

any of the tubular thick-walled muscular vessels that convey oxygenated blood from the heart to various parts of the body
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
In conclusion, the results of this study demonstrated that percutaneous direct puncture of a totally occluded anterior or posterior tibial artery for endovascular revascularization can be a safe and effective procedure in high-risk patients.
The middle portion of the muscle got arterial pedicle from the upper perforating branches of the posterior tibial artery that perforated the posterior inter-muscular septum (Fig.
Occlusions of the posterior tibial artery have been noted to have the best collateralisation due to the larger number of branches from the posterior tibial artery and the larger muscle mass that is supplied.
There were suggestive associations between the minor allele of rs9982601 and higher expression of KCEN2 in aortic and tibial artery tissue (effect of minor allele relative to common allele = 0.13, p = 0.06, and effect of minor allele relative to common allele = 0.15, p = 0.02, resp.).
The same procedure is repeated using the posterior tibial artery. The procedure is repeated for the other leg.
The inflow artery was common femoral artery superficial femoral artery popliteal artery and posterior tibial artery in 7 (17.5%) 15 (375%) 17 (42.5%) patients and 1 (2.5%) patient respectively.
He pointed out that the plantal artery which was completely severed, but the tibial artery is providing blood to the foot, asserting that if this procedure hadn't been carried out, it would have necessary to amputate the foot.
Quaba, "Lower limb reconstruction using the islanded posterior tibial artery perforator flap," Plastic and Reconstructive Surgery, vol.
In this context, obtaining at least one patent tibial artery to the foot is usually needed to achieve a sufficient amount of blood flow to cover the healing process requirements and ensure limb salvage [5-9].
Doppler was used for to be heard better Korotkoff sounds on the anterior tibial artery. The maximum ankle arterial pressures were divided by the maximum of the brachial arterial pressures to calculate the ABI.
If the forefoot and toes are adequately perfused and the posterior tibial artery is intact, simple resection is the surgical option.