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From Nordan Symposia
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==Origin==
[http://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English], from Anglo-French, from Medieval Latin collateralis, from [[Latin]] com- + lateralis lateral
*[http://en.wikipedia.org/wiki/14th_century 14th Century]
==Definitions==
*1a : accompanying as secondary or subordinate : concomitant <digress into collateral matters>
:b : indirect
:c : serving to [[support]] or reinforce : ancillary
*2: belonging to the same [[ancestral]] stock but not in a direct line of [[descent]] — compare lineal
*3: [[parallel]], [[coordinate]], or corresponding in position, order, [[time]], or significance <collateral states like Athens and Sparta>
*4a : of, relating to, or being collateral used as [[security]] (as for payment of a [[debt]] or [[performance]] of a contract)
:b : secured by collateral
==Description==
In [[medicine]], '''collateralization''', also vessel collateralization and blood vessel collateralization, is the [[growth]] of a [http://en.wikipedia.org/wiki/Blood_vessel blood vessel] or several blood vessels that serve the same end organ or vascular bed as another blood vessel that cannot adequately supply that end organ or vascular bed sufficiently.
Coronary collateralization is considered a [[normal]] [[response]] to [http://en.wikipedia.org/wiki/Hypoxia_(medical) hypoxia] and may be induced, under some circumstances, by [[exercise]]. It is considered to be protective.
Collateral or anastomotic blood vessels also exist even when blood supply is adequate to an area, and these blood vessels are often taken advantage of in [http://en.wikipedia.org/wiki/Surgery surgery]. Some notable areas where this occurs include the abdomen, rectum, knee, shoulder, and head.[http://en.wikipedia.org/wiki/Collateralization]
[[Category: General Reference]]
==Origin==
[http://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English], from Anglo-French, from Medieval Latin collateralis, from [[Latin]] com- + lateralis lateral
*[http://en.wikipedia.org/wiki/14th_century 14th Century]
==Definitions==
*1a : accompanying as secondary or subordinate : concomitant <digress into collateral matters>
:b : indirect
:c : serving to [[support]] or reinforce : ancillary
*2: belonging to the same [[ancestral]] stock but not in a direct line of [[descent]] — compare lineal
*3: [[parallel]], [[coordinate]], or corresponding in position, order, [[time]], or significance <collateral states like Athens and Sparta>
*4a : of, relating to, or being collateral used as [[security]] (as for payment of a [[debt]] or [[performance]] of a contract)
:b : secured by collateral
==Description==
In [[medicine]], '''collateralization''', also vessel collateralization and blood vessel collateralization, is the [[growth]] of a [http://en.wikipedia.org/wiki/Blood_vessel blood vessel] or several blood vessels that serve the same end organ or vascular bed as another blood vessel that cannot adequately supply that end organ or vascular bed sufficiently.
Coronary collateralization is considered a [[normal]] [[response]] to [http://en.wikipedia.org/wiki/Hypoxia_(medical) hypoxia] and may be induced, under some circumstances, by [[exercise]]. It is considered to be protective.
Collateral or anastomotic blood vessels also exist even when blood supply is adequate to an area, and these blood vessels are often taken advantage of in [http://en.wikipedia.org/wiki/Surgery surgery]. Some notable areas where this occurs include the abdomen, rectum, knee, shoulder, and head.[http://en.wikipedia.org/wiki/Collateralization]
[[Category: General Reference]]
