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Collateral Circulation

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Definition: Maintenance of blood flow to an organ despite obstruction of a principal vessel. Blood flow is maintained through small vessels.  a naturally occurring physiol phenomenon: not for restoration of funct by surg; not restricted to coronary vessels; do not confuse with NEOVASCULARIZATION, PHYSIOLOGIC: see MeSH scope notes; DF: COLLATERAL CIRC   
See Also Neovascularization, Physiologic 		Other names Blood Circulation, Collateral; Collateral Circulations, Blood; Collateral Circulations; Collateral Blood Circulations; Circulation, Collateral Blood; Circulation, Blood Collateral; Blood Collateral Circulation; Collateral Circulation, Blood; Collateral Blood Circulation; Circulation, Collateral

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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