artery

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Related to communicating artery: circle of Willis

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 ?
Patency of the basilar artery and tip, left PCA, and posterior communicating artery; the thin arrows indicate the superior cerebellar arteries, with normal appearance.
(a) Additional vascular component, so-called intermediate communicating artery (ICoA) between the right posterior cerebral artery (PCA) of carotid (C4) origin (PCAc) and right PCA of basilar (BA) origin (PCAb) in the cerebral arterial circle marking, is separately shown.
The following table and adjacent bar diagram show the presence or absence or otherwise anterior communicating artery.
(2) Anterior communicating artery. (b1) Rupture site with magnification (b2).
One involves blood directly entering the ventricles via the ventricle wall, similar to IVH caused by the rupture of an anterior communicating artery aneurysm through the lamina terminalis.
Suzuki, "Anterior communicating artery aneurysms with associated anomalies," Journal of Neurosurgery, vol.
Subdural hematoma of the posterior fossa due to posterior communicating artery aneurysm rupture.
Occlusion of the posterior communicating artery mimicking cerebral aneurysm: case report.
Posterior communicating artery is its most important component which connects vertebro-basilar and carotid arterial system.
All patients during the recording during compression test was performed on the internal carotid artery, in order that on the opposite side show the front and rear communicating artery. All scans obtained were transferred to specially designed software 'program ELLIPSE (see, Zoltan Tomoris, Kosice, Slovak Republik, tomori@saske.
Early outcome of intravascular treatment of anterior communicating artery complex aneurysms [in Polish].
Twenty-five percent of these are located at the origin of the posterior communicating artery on the internal carotid artery [3].

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