The cortical system of arterial branches ramifies over the cerebrum to supply the cortex with arterioles that anastomose in the pia mater. |
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Blood obtained from a skin puncture is a mixture of arterioles, venules and capillaries and contains interstitial and intracellular fluids. |
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Immature vessels coalesce to form larger vessels and organize into capillaries, arterioles, and venules. |
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Arterial insufficiency can occur at any level, from large arteries to arterioles and capillaries. |
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This is dependent upon accessing the capillaries, venules, and arterioles of the dermis and subcutaneous tissues. |
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The bronchi and bronchioles did not show epithelial changes, and the pulmonary arteries and arterioles were normal in appearance. |
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Lesions present in the peritubular capillaries, arterioles and renal tubules were recorded. |
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These arterioles frequently showed continuity at the glomerular hilum with segmental necrotizing glomerular lesions. |
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In addition, diagnostically important small structures, such as interlobular septa and distal arterioles and bronchioles, are not visualized. |
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Mild atherosclerotic changes of the retinal arterioles were seen in the right fundus, which was otherwise unremarkable. |
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The opposite occurs when sympathetic impulses constrict efferent arterioles. |
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Measurement of the retinal arterioles offers a non-invasive means to evaluate systemic associations of the human microcirculation in vivo. |
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The capillary sprouts eventually join together to form a new network, with arterioles supplying them and venules draining them. |
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Furthermore, enlargement of arterioles might increase intravascular pressure in the allograft and lead to enhanced vascular leakage. |
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This encroachment on brain tissue by enlarged ventricles impinges on the caliber of arterioles and capillaries, often resulting in ischemia. |
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Capillaries are formed as a complex system of branching blood vessels between arterioles and venules Those near the arteries are at a higher pressure than those near veins. |
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Improving the stamina of one muscle increases the number of arterioles and venules which feed it and which extract waste substances. |
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The small arteries and arterioles act as control valves through which blood is released into the capillaries. |
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Constriction and dilation of the arterioles is primarily responsible for regulating the flow of blood into the capillaries. |
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Muscle movement causes a widening of the arterioles, since working muscles demand more oxygen rich blood. |
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Untreated high blood pressure increases the risk of injury to large arteries, and smaller arteries and arterioles. |
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When oxygen levels are low, mimicking high activity of neurons in the brain, astrocytes cause vasodilation of arterioles. |
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Blood flow is controlled by very small muscles within the arterioles, which thus direct blood flow. |
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Considerable congestion of pulmonary arteries, arterioles, veins, venules, and alveolar capillaries accompanied by vascular engorgement was present in four cases. |
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The peripheral arterioles react unduly to cold and the smaller vessels are dilated. |
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More noteworthy is that the superior mesenteric angiograms showed shunting of blood from the arterioles to the venous channels, bypassing the capillaries. |
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By in situ hybridization, MnSOD mRNA can be detected in arterioles, septal tips of alveolar ducts, endothelial cells, and in pleural mesothelium of hyperoxia-exposed rats. |
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As the arterioles become smaller in size, the three coats become less and less definite, with the smallest arterioles consisting of little more than endothelium, or lining, surrounded by a layer of smooth muscle. |
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Vasomotion refers to the rhythmic oscillations in vascular diameter of the arterioles and smaller arteries that play a vital role in distributing blood throughout the tissues. |
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Adenosine is a potent vasodilator in most vascular beds, except in renal afferent arterioles and hepatic veins where it produces vasoconstriction. |
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This syndrome is recognized clinically from end-organ damage related to microemboli in small arterioles. |
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The arterioles regulate the amount of blood that enters these capillary networks. |
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Yet these tiny arterioles and venules deliver oxygen and nutrients to energy-hungry brain cells and carry away wastes. |
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This work, utilizing a collaboration with Dr. Graham Ellis-Davies, led us to discover a completely novel way in which astrocytes control the diameter of cerebral arterioles, which was published recently in Nature. |
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The cold bath stimulates the immune system, invigorates the skin and stimulates the bloodstream while tonifying the little veins and arterioles, and stimulating the nervous system too. |
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The histological study shows that the contractions of the muscle fibres present in the little arterioles of the mucous membrane regulate the blood flow. |
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Noradrenaline acts primarily on alpha-1 receptors to vasoconstrict arterioles, thereby increasing blood pressure and maintaining central circulation. |
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Benign nephrosclerosis: Hyalinosis of the arterioles, a disease with deposition of substances in connective tissue. Occurs in metabolic syndrome, diabetic macroangiopathy, hypercholesterolaemia and primary hypertension. |
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Hypertension was produced by distal of a varicose vein because there is a slowing of the venous blood in its return loss, and there is a closure of the arteriovenous anastomosis between venules and arterioles. |
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Angiotensin, on the other hand, causes vasoconstriction on the systemic arterioles, and acts as a dipsogen for ostriches. |
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When ambient temperatures are low, heterotherms will constrict their arterioles to reduce heat loss along skin surfaces. |
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The reverse occurs at high ambient temperatures, arterioles dilate to increase heat loss. |
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One of several primary arteriospastic disorders, Reynaud's disease is characterized by episodic vasospasm in the small peripheral arteries and arterioles, precipitated by exposure to cold or stress. |
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Arteries and arterioles under the necrotic areas showed fibrinoid necrosis of the vascular walls. |
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The loops are running out from the arterioles or capillaries of the mature intermediate villus. |
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Fibrin thrombi were frequently observed in small pulmonary arteries and arterioles. |
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We demonstrated that microdensitometric method measures the column of blood in the retinal arterioles. |
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It then plunges inward through smaller vessels called arterioles before squeezing down into capillaries so thin that red blood cells must travel single file. |
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We also analyzed the post-treatment effects of ASX-O on the vascular tissues by examining the changes in the aorta and coronary arteries and arterioles. |
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In addition, ATI receptor signaling contributes to constriction of renal and systematic arterioles, increased cardiac contractility, and sodium uptake in the kidney. |
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The subendothelial layer of the intima in arteries and arterioles contains a sheetlike layer or lamella of fenestrated elastic material called the internal elastic membrane. |
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