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*  Internal carotid artery
Circle of Willis Diagram of the arterial circulation at the base of the brain. Carotid endarterectomy Carotid body This article ... The internal carotid artery can receive blood flow via an important collateral pathway supplying the brain, the cerebral ...
*  Collateral circulation
... is the alternate circulation around a blocked artery or vein via another path, such as nearby minor ... portocaval collateral circulation). Dictionary.com collateral circulation. ... An example of the usefulness of collateral circulation is a systemic thromboembolism in cats. This is when a thrombotic embolus ... Hepatic cirrhosis arising from congestion in the hepatic portal vein may give rise to collateral circulation between branches ...
*  Leptomeningeal collateral circulation
The leptomeningeal collateral circulation is a network of blood vessels supplying the brain that follows a diffuse course over ... The leptomeningeal collateral circulation allows a very limited degree of compensation for this. However, this mild ... This circulation is in the leptomeninges, the two deeper layers of the meninges - the pia mater and the arachnoid mater. If the ...
*  Circle of Willis
... for collateral circulation in the cerebral circulation. If one part of the circle becomes blocked or narrowed (stenosed) or one ... "Transcranial Doppler ultrasonography of carotid-basilar collateral circulation in subclavian steal". Stroke: A Journal of ... The circle of Willis is a part of the cerebral circulation and is composed of the following arteries: Anterior cerebral artery ... Lord, RS; Adar, R; Stein, RL (1969). "Contribution of the circle of Willis to the subclavian steal syndrome". Circulation. 40 ( ...
*  Great saphenous vein
This is known as collateral circulation. The saphenous nerve is a branch of the femoral nerve that runs with the great ... Removal of the saphenous vein will not hinder normal circulation in the leg. The blood that previously flowed through the ... a clot fragment can migrate to the deep venous system and to the pulmonary circulation. Also it can be associated with, or ...
*  Middle cerebral artery
Leptomeningeal collateral circulation Moore KL, Dalley AR. Clinically Oriented Anatomy, 4th Ed., Lippincott Williams & Wilkins ...
*  Cyanotic heart defect
The result being the development of collateral circulation. Clubbing The patient assuming a crouching position Cyanosis - ... Mathematical models are used to address the issue of pressure level alterations of circulation after the procedures. The ... lungs and entering the systemic circulation or a mixture of oxygenated and unoxygenated blood entering the systemic circulation ... and these models permit clear analyses of the pressure increase allowing doctors to avoid possible venous circulation ...
*  Duodenum
... so there is potential for collateral circulation here. The venous drainage of the duodenum follows the arteries. Ultimately ...
*  Allen's test
"Assessment of digital blood flow and palmar collateral circulation". Int J Clin Monit Comput. 2: 29. doi:10.1007/bf02915870. ... Allen's test looks for abnormal circulation. If color returns quickly as described above, Allen's test is considered to ... demonstrate normal circulation. If the pallor persists for some time after the patient opens their fingers, this suggests a ...
*  Thromboangiitis obliterans
Collateral circulation gives "tree root" or "spider leg" appearance. Angiograms may also show occlusions (blockages) or ... The main symptom is pain in the affected areas, at rest and while walking (claudication). The impaired circulation increases ... The King's doctors prescribed complete rest and electric treatment to stimulate circulation, but as they were either unaware of ... Piazza, Gregory; Creager, Mark A. (2010-04-27). "Thromboangiitis Obliterans". Circulation. 121 (16): 1858-1861. doi:10.1161/ ...
*  Subclavian steal syndrome
"Transcranial Doppler ultrasonography of carotid-basilar collateral circulation in subclavian steal". Stroke. 19 (8): 1036-42. ... Lord R, Adar R, Stein R (1969). "Contribution of the circle of Willis to the subclavian steal syndrome". Circulation. 40 (6): ... This is because of collateral vessels. As in vertebral-subclavian steal, coronary-subclavian steal may occur in patients who ... SSS is a consequence of a redundancy in the circulation of the brain and the flow of blood. SSS results when the short low ...
*  Vorticose veins
There is usually collateral circulation between the superior and inferior orbital veins. The blood-vessles of the eyeball ( ...
*  Collateralization
Schaper W, The collateral circulation of the heart, New York, N.Y.: Elsevier, 1971. Kolibash AJ, et al., "Coronary collateral ... Cohen M and KP Rentrop, et al., "Limitation of myocardial ischemia by collateral circulation during sudden controlled coronary ... Fujita M, "Importance of angina for development of collateral circulation," British Heart Journal 1987; 57: 139-43.. ... collateral circulation, and, in any case, sometimes precedes, and often prevents, infarction by relieving the critically ...
*  Moyamoya disease
... the fine collateral circulation that it supplies is obliterated. Patients often survive on the collateral circulation from the ... A collateral circulation develops around the blocked vessels to compensate for the blockage, but the collateral vessels are ... This is also the case when the arterial constriction and collateral circulation are bilateral. Moyamoya syndrome is unilateral ... Circulation. 2006;114:681-687. Killory BD, Gonzalez LF, Wait SD, Ponce FA, Albuquerque FC, Spetzler RF (Jun 2008). " ...
*  Scapular anastomosis
... providing a collateral circulation. This collateral circulation allows for blood to continue circulating if the subclavian is ...
*  Tracheoinnominate fistula
Pulsatile back-bleeding from distal innominate artery stump should be checked to insure collateral circulation. In patients ... Innominate artery ligation leaves the carotid and subclavian circulations intact. ... and the carotid artery or the opposite carotid artery and the subclavian artery may be performed to restore normal circulation ...
*  Esophageal varices
This means that collateral circulation develops in the lower esophagus, abdominal wall, stomach, and rectum. The small blood ...
*  Lidoflazine
Stimulation of the coronary collateral circulation by lidoflazine (R 7904), Naunyn Schmiedebergs Arch Exp Pathol Pharmakol. ...
*  Patellar network
The genicular anastomosis provides collateral circulation to supply the leg when the knee is fully flexed. When the knee ...
*  Cryptorchidism
In these cases, the supply may be divided, some vessels sacrificed with expectation of adequate collateral circulation. In the ...
*  Macula of retina
This selective sparing is due to the collateral circulation offered to macular tracts by the middle cerebral artery. ...
*  Arterial embolism
However, it takes time for sufficient collateral circulation to develop, making affected areas more vulnerable for sudden ... Individuals with arterial thrombosis or embolism often develop collateral circulation to compensate for the loss of arterial ...
*  Vein
When the pressure increases in the portal veins, a collateral circulation develops, causing visible veins such as oesophageal ... In systemic circulation oxygenated blood is pumped by the left ventricle through the arteries to the muscles and organs of the ... In pulmonary circulation the pulmonary veins return oxygenated blood from the lungs to the left atrium, which empties into the ... However, in pulmonary circulation, the arteries carry deoxygenated blood from the heart to the lungs, and veins return blood ...
*  Induced stem cells
So, an important goal is to stimulate vascular growth for the collateral circulation to prevent the exacerbation of these ... "Induction of Vascular Progenitor Cells from Endothelial Cells Stimulates Coronary Collateral Growth". Circulation Research. 110 ... That is why, when iVPCs were implanted into myocardium, they engrafted in blood vessels and increased coronary collateral flow ... Circulation, doi:10.1161/CIRCULATIONAHA.116.024692 Budniatzky, I.; Gepstein, L. (2014). "Concise Review: Reprogramming ...
*  Descending branch of occipital artery
The anastomosis between these vessels assists in establishing the collateral circulation after ligature of the common carotid ...
*  Jimmy Lai
The newspaper's circulation rose to 400,000 copies by 1997, which was the territory's second largest among 60 other newspapers. ... and to boost assets as collateral for NextMedia to obtain additional loans in the future. However, as US$120 million is ... In 2006, Sudden Weekly and Next Magazine ranked first and second in circulation for Hong Kong's magazine market while Apple ...
*  Ischemic colitis
The blood supply from these two major arteries overlap, with abundant collateral circulation via the marginal artery of the ... Causes of the reduced blood flow can include changes in the systemic circulation (e.g. low blood pressure) or local factors ... These watershed areas are most vulnerable to ischemia when blood flow decreases, as they have the fewest vascular collaterals. ... Rosenblum J, Boyle C, Schwartz L (1997). "The mesenteric circulation. Anatomy and physiology". Surg Clin North Am. 77 (2): 289- ...