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 ?
Deja de fumar: cuando las moleculas de colesterol se combinan con las toxinas del tabaco se depositan mas en las arterias.
Se realizo un estudio de corte transversal para describir las relaciones anatomicas de la vena yugular interna y la arteria carotida comun en la base del cuello y las caracteristicas que predisponen a la ubicacion de la vena anterior a la arteria, examinadas ecograficamente.
Aunque los autores no nos dan estos datos en este estudio, creo que tienen total confianza en su metodo ("con solo dos arterias se puede encontrar la solucion para todas las arterias del universo") y puedo asumir que su sensibilidad y especificidad para diferenciar disfuncion leve de normalidad es 100%.
Valor 1: en caso de disminucion del flujo en un segmento, pero con llenado distal al punto de estenosis considerando la arteria parcialmente obstruida.
Arteria provides broadband connectivity and network solutions.
As arterias carotidas comuns direita e esquerda ascenderam o pescoco, acompanhando a traqueia, lateralmente, alcancando a base do cranio dividindo-se, na altura da alca do nervo hipoglosso, em arteria carotida interna, que participava da irrigacao do encefalo do coelho, continuando naturalmente como arteria carotida externa, a qual se distribuiu com seus ramos na face.
Si se hace un torniquete en una extremidad--dice--, se dilatan las arterias situadas antes de la atadura, y las venas que se encuentran despues de ellas; esto basta para demostrar que las arterias alejan la sangre del corazon y que las venas la acercan a el.
Dado su gran calibre y extensa prolongacion regional, la arteria iliaca externa represento la principal arteria para la irrigacion del miembro pelvico en la alpaca, en forma similar a la llama (Graziotti et al.
Bedford y Wollman (4) documentaron trombosis en el 38,5% de los casos tras la canalizacion de la arteria radial, con permanencia del flujo distal evidenciado por doppler en el 92,5% de los casos y por pulso palpable en el 72,5%, secundario a la circulacion colateral por la arteria ulnar.
Esta arteria ya era descrita en la literatura en el ano 1934 por Strong (1934) quien aseguraba que este vaso sanguineo seria responsable por irrigar tanto dientes como la mucosa antral y que se forma en esta region lo que se podria llamar un "plexo antrodental".
A inicios del Siglo XXI, utilizando una clasificacion preexistente sobre las configuraciones del pediculo vascular dominante, se reconocieron cinco tipos de aporte vascular al nervio periferico: A, ideal para injertos, con pocas ramas colaterales y que recibe vascularizacion de una arteria unica; B, difiere del anterior en el numero de colaterales del tronco nervioso; C, comprende varios troncos nerviosos con un vaso nutricio unico; D, tronco nervioso con arteria nutricia propia con calibre insuficiente para sutura microquirurgica; y E, tronco nervioso con colaterales y diferentes arterias (16).
Tomografia computada angiografica de craneo: hipoplasia del segmento A1 de la arteria cerebral anterior izquierda, arteria vertebral izquierda hipoplasica.