ar·te·ri·ole

(är-tîr′ē-ōl′)

One of the small terminal branches of an artery, especially one that connects with a capillary.

[New Latin artēriola, diminutive of Latin artēria, artery, from Greek artēriā; see wer- in Indo-European roots.]

ar·te′ri·o′lar (-ō′lər, -ə-lər) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

arteriole

(ɑːˈtɪərɪˌəʊl)

(Anatomy) anatomy any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries

[C19: from New Latin arteriola, from Latin artēria artery]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ar•te•ri•ole

(ɑrˈtɪər iˌoʊl)

n.

any of the smallest branches of an artery.

[1830–40; < New Latin artēriola]

ar•te`ri•o′lar, adj.

ar·te·ri·ole

(är-tîr′ē-ōl′)

Any of the smaller branches of an artery, especially one that ends in the capillaries.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

arteriole

A small artery supplying blood from a main artery to a capillary.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

arteriole - one of the small thin-walled arteries that end in capillaries

arteriola, capillary artery

arteria, arterial blood vessel, artery - a blood vessel that carries blood from the heart to the body

Translations

ar·te·ri·ole

n. arteriola, arteria diminuta que termina en un capilar.

English-Spanish Medical Dictionary © Farlex 2012

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References in periodicals archive

* ACE-inhibitors and ARBs, by causing vasodilation of the efferent arteriole.

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These telangiectasias, the hallmark of the disease, arise from the dilatation of postcapillary venules, which directly fuse with an arteriole, thus bypassing the capillary system.

Scientific Breakthrough by Dr. Xavier Verhelst Will Save Lives of HHT Patients from Oasis Publishers

Photomicrographs of Masson's trichrome-stained arterioles. Dashed lines refer to the arteriole wall thickness.

Ventilation-induced changes correlate to pulmonary vascular response and VEGF, VEGFR-1/2, and eNOS expression in the rat model of postnatal hypoxia

We found that it can induce the dilatation of the renal arteriole in pre-eclampsia mice model.

Effect of Nigella sativa Ethanol Extract on the Nitric Oxide Content and Renal Arteriole Diameter of a Pre-eclampsia Mouse Model

Moreover, we studied oxidative stress and expression of PPAR[gamma] in the coronary arteriole as a possible mechanism underlying vascular remodeling.

Vascular Remodeling, Oxidative Stress, and Disrupted PPAR[gamma] Expression in Rats of Long-Term Hyperhomocysteinemia with Metabolic Disturbance

Retinal arterial macroaneurysm (RAM) is an acquired dilatation of a retinal arteriole typically within the first three bifurcations that may occur with varying degrees of hemorrhage, edema, and exudation.

Optical Coherence Tomography Angiography of Retinal Arterial Macroaneurysm before and after Treatment

The basic functional unit of the liver is the hepatic lobule, which consists of portal triads (hepatic arteriole, portal venule, bile duct, lymphatics and branch of the vagal nerve) at the periphery that surround a central vein (Fig.

MRI STANDARD TECHNICAL PROTOCOL VERSUS ADVANCED HEPATOBILIARY PROTOCOL IN DIAGNOSING SOLITARY CYSTIC HEPATIC LESIONS

The 3-4 primary retinal vessels are large and very distinct, and it is not unusual to find that the dorsal arteriole and venule spiral around each other.

Normal Ocular Fundus Imaging of Domestic Goat (Capra hircus)

He walks readers through optic disk size and shape; optic cup shape and depth; optic cup size in relation to the optic disc size; neuroretinal rim size, shape and perfusion; central retinal vessel trunk location; optic disc hemorrhages; parapapillary chorioretinal atrophy; retinal arteriole diameter; and retinal nerve fiber layer defects.

The Optic Nerve Evaluation in Glaucoma: An Interactive Workbook (online access included)

Intraretinal haemorrhages occur when aggregated sickled red blood cells abruptly occlude an arteriole, resulting in ischaemic necrosis and 'blowout' of the vessel wall.

Sickle cell eye disease

In the active stage, BRAO is best assessed by fundus fluorescein angiography (FFA), in which it typically appears as multifocal fluorescence in the arteriole walls.

Evaluation of retinal changes using optical coherence tomography in a pediatric case of susac syndrome