- collateral circulation
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circulation of blood through a network of minor vessels that become enlarged and joined with adjacent vessels when a major vein or artery is impaired, as by obstruction.[1875-80]
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Universalium. 2010.
collateral circulation
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Collateral circulation — Collateral Col*lat er*al, a. [LL. collateralis; col + lateralis lateral. See {Lateral}.] 1. Coming from, being on, or directed toward, the side; as, collateral pressure. Collateral light. Shak. [1913 Webster] 2. Acting in an indirect way. [1913… … The Collaborative International Dictionary of English
Collateral circulation — is when an area of tissue or an organ has a number of different pathways for blood to reach it. This is often as a result of anastamoses branches formed between adjacent blood vessels. An example of the usefulness of collateral circulation is a… … Wikipedia
collateral circulation — n circulation of blood established through enlargement of minor vessels and anastomosis of vessels with those of adjacent parts when a major vein or artery is functionally impaired (as by obstruction) also the modified vessels through which such… … Medical dictionary
collateral circulation — noun : circulation of blood established through enlargement of minor vessels and anastomosis of vessels with those of adjacent parts when a major vein or artery is functionally impaired (as by obstruction); also : the modified vessels through… … Useful english dictionary
collateral circulation — 1) an alternative route provided for the blood by secondary vessels when a primary vessel becomes blocked. 2) the channels of communication between the blood vessels supplying the heart. At the apex of the heart, where the coronary arteries form… … The new mediacal dictionary
Leptomeningeal collateral circulation — The term leptomeningeal refers to the two deep layers of the meninges the pia mater and the arachnoid mater. The leptomeningeal collateral circulation is a network of blood vessels supplying the brain that follows a diffuse course over the… … Wikipedia
collateral circulation test — see specific tests, including Korotkoff t., Pachon t., and tourniquet t. (defs. 2, 3) … Medical dictionary
Collateral — Col*lat er*al, a. [LL. collateralis; col + lateralis lateral. See {Lateral}.] 1. Coming from, being on, or directed toward, the side; as, collateral pressure. Collateral light. Shak. [1913 Webster] 2. Acting in an indirect way. [1913 Webster] If… … The Collaborative International Dictionary of English
Collateral assurance — Collateral Col*lat er*al, a. [LL. collateralis; col + lateralis lateral. See {Lateral}.] 1. Coming from, being on, or directed toward, the side; as, collateral pressure. Collateral light. Shak. [1913 Webster] 2. Acting in an indirect way. [1913… … The Collaborative International Dictionary of English
collateral damage — Collateral Col*lat er*al, a. [LL. collateralis; col + lateralis lateral. See {Lateral}.] 1. Coming from, being on, or directed toward, the side; as, collateral pressure. Collateral light. Shak. [1913 Webster] 2. Acting in an indirect way. [1913… … The Collaborative International Dictionary of English
