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 ?
The distal part of the first root forms the left gastric artery (LGA), the distal part of the second root forms the splenic artery (SA), and the distal part of the third root forms the common hepatic artery (CHA).
The length of the coeliac trunk was concise, or it can be considered as the hepatic proper and the left gastric artery bifurcating from the coeliac trunk.
Kipshidze, N, Archvadze, A, Kantaria, M, Konstantine, M, First In-Man study of left gastric artery embolization for weight loss.
Compared with those who had embolisation of a different artery, patients who had their left gastric artery blocked dropped from an average weight of 189.
In present study, the minimum length between coeliac trunk and left gastric artery was 0.
Postembolization selective catheterization of the left gastric artery revealed no communication with the pseudoaneurysm (Figure 4).
Subsequently, the distal part of the 1st root formed the left gastric artery, the distal part of the 2nd root formed the splenic artery, the distal part of the 3rd root formed the common hepatic artery and the distal part of the 4th root formed the superior mesenteric artery.
The arterial pressure of the hepatic or left gastric artery, before and after release of the compressive band of the celiac trunk, is a more sensitive and reliable test in order to evaluate the immediate results.
TYPE II (15% cases): Caeliac axis is a common trunk for origin of hepatic artery and splenic artery but left gastric artery had a varied origin either from caeliac trunk or directly from abdominal aorta.
Just before this division, in general its superior part, the left gastric artery is originated (Pignataro).
5-2cms and divides into left gastric artery (LGA), common hepatic artery (CHA) and splenic arteries (SA).
In normal situations, this artery gives off three branches: the splenic artery, the left gastric artery and the common hepatic artery.