Collateral circulation

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 Webster]

If by direct or by collateral hand They find us touched, we will our kingdom give . . . To you in satisfaction. --Shak. [1913 Webster]

3. Related to, but not strictly a part of, the main thing or matter under consideration; hence, subordinate; not chief or principal; as, collateral interest; collateral issues. [1913 Webster]

That he [Attebury] was altogether in the wrong on the main question, and on all the collateral questions springing out of it, . . . is true. --Macaulay. [1913 Webster]

4. Tending toward the same conclusion or result as something else; additional; as, collateral evidence. [1913 Webster]

Yet the attempt may give Collateral interest to this homely tale. --Wordsworth. [1913 Webster]

5. (Genealogy) Descending from the same stock or ancestor, but not in the same line or branch or one from the other; -- opposed to lineal. [1913 Webster]

Note: Lineal descendants proceed one from another in a direct line; collateral relations spring from a common ancestor, but from different branches of that common stirps or stock. Thus the children of brothers are collateral relations, having different fathers, but a common grandfather. --Blackstone. [1913 Webster]

{Collateral assurance}, that which is made, over and above the deed itself.

{Collateral circulation} (Med. & Physiol.), circulation established through indirect or subordinate branches when the supply through the main vessel is obstructed.

{Collateral issue}. (Law) (a) An issue taken upon a matter aside from the merits of the case. (b) An issue raised by a criminal convict who pleads any matter allowed by law in bar of execution, as pardon, diversity of person, etc. (c) A point raised, on cross-examination, aside from the issue fixed by the pleadings, as to which the answer of the witness, when given, cannot subsequently be contradicted by the party asking the question.

{Collateral security}, security for the performance of covenants, or the payment of money, besides the principal security.

{collateral damage}, (Mil.) damage caused by a military operation, such as a bombing, to objects or persons not themselves the intended target of the attack. [1913 Webster +PJC]


The Collaborative International Dictionary of English. 2000.

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  • 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 — 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] * * * …   Universalium

  • 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

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