Collateral circulation is the alternate circulation around a blocked artery or vein via another path, such as nearby minor vessels. It may occur via preexisting...

The leptomeningeal collateral circulation (also known as leptomeningeal anastomoses or pial collaterals) is a network of small blood vessels in the brain...

clots (thrombosis). A collateral circulation develops around the blocked vessels to compensate for the blockage, but the collateral vessels are small, weak...

opposite side counterpart (the left common iliac vein) anteriorly. The collateral circulation would be carried on by the anastomoses between the internal thoracic...

redundancy (analogous to engineered redundancy) for collateral circulation in the cerebral circulation. If one part of the circle becomes blocked or narrowed...

superior ulnar collateral artery or the prevertebral ganglia, also known as collateral ganglia Collateral circulation, the alternate circulation around a blocked...

ramify in the placenta.[citation needed] At birth, when the placental circulation ceases, the pelvic portion only of the umbilical artery remains patent...

stroke mimics and detect bleeding. The presence of leptomeningeal collateral circulation in the brain is associated with better clinical outcomes after recanalization...

In anatomy, the left and right common carotid arteries (carotids) (English: /kəˈrɒtɪd/) are arteries that supply the head and neck with oxygenated blood;...

In medicine, collateralization, also vessel collateralization and blood vessel collateralization, is the growth of a blood vessel or several blood vessels...

an Allen's test. The radial artery is also used to evaluate the collateral circulation of blood through the hands; applying pressure through palpating...

posterior communicating arteries establish a system of collateral circulation in cerebral circulation. The arteries contribute to the blood supply of the...

pulmonary vascular resistance. The result may be the development of collateral circulation. Tetralogy of Fallot (ToF) Total anomalous pulmonary venous connection...

collateral circulation to the area affected by the chosen artery, so that peripheral circulation is maintained by another artery even if circulation is...

(fibrosis) in the liver. The appearance is due to cutanous portosystemic collateral formation between distended and engorged paraumbilical veins that radiate...

Schirmer SH, Lansky AJ, Timmis A, Pitt B, Seiler C (June 2013). "The collateral circulation of the heart". BMC Med. 11: 143. doi:10.1186/1741-7015-11-143. PMC 3689049...

anastomosis, a network of vessels surrounding the knee that provides collateral circulation capable of maintaining blood supply to the leg during full knee...

vessels after injury, muscle following exercise, and new vessels (collateral circulation) to bypass blocked vessels. It can contribute to disease. Solid...

the consequent loss of blood flow to the heart. Due to extensive collateral circulation, a coronary thrombus does not necessarily cause tissue death and...

peripheral vascular disease where there is still some collateral circulation (alternate circulation pathways) that bring some blood flow (although inadequate)...

and antihypertensives. Exercise therapy plays a role in improving collateral circulation, while endovascular or surgical revascularization is often required...

pericardial abrasion, with the hope adhesions would create significant collateral circulation. Sympathectomy produced disappointing and inconsistent results....

anastomose with their neighbors are called end arteries. There is no collateral circulation present besides the end arteries. Examples of an end artery include...

often also gives branches to the vas deferens and can provide minor collateral circulation for the testicles. The superior vesical artery, a vital component...

capable of perfusion by red blood cells, that form to serve as collateral circulation in response to local poor perfusion or ischemia. Growth factors...

tuberculosis lesions. When the pressure increases in the portal vein, a collateral circulation develops, causing visible veins such as esophageal varices. Phlebitis...

test or Korotkoff sign is a collateral circulation test: in aneurysm, if the blood pressure in the peripheral circulation remains fairly high while the...

child will have a postnatal circulation. The myocardium, which is supplied by the LCA, will therefore be dependent on collateral blood flow from the other...

is supplied by the single anterior spinal artery and has little collateral circulation, unlike the posterior spinal cord which is supplied by two posterior...

liver through collateral circulation or a medically constructed shunt. Nitrogenous waste products accumulate in the systemic circulation (hence the older...