mechanism

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mechanism

 [mek´ah-nizm]
1. a machine or machinelike structure.
2. the manner of combination of parts, processes, or other aspects that carry out a common function.
3. the theory that the phenomena of life are based on the same physical and chemical laws that govern inorganic matter, as opposed to vitalism.
coping m's conscious or unconscious strategies or mechanisms that a person uses to cope with stress or anxiety including turning to a comforting person for love and support, self-discipline, acting out or working off tension, talking and expressing feelings by crying or laughing, and also unconscious defense mechanisms, such as avoidance and rationalization.
defense mechanism see defense mechanism.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mech·a·nism

(mek'ă-nizm),
1. An arrangement or grouping of the parts of anything that has a definite action.
2. The means by which an effect is obtained.
3. The chain of events in a particular process.
4. The detailed description of a reaction pathway.
[G. mēchanē, a contrivance]
Farlex Partner Medical Dictionary © Farlex 2012

mechanism

Medspeak
The manner by which a process occurs; the arrangement or association of the elements or parts of a thing in relation to the effect generated.

Psychology
The combination of mental processes by which an effect is generated.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

mechanism

Medtalk The manner by which a process occurs; the arrangement or association of the elements or parts of a thing in relation to the effect generated
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

mech·a·nism

(mek'ă-nizm)
1. An arrangement or grouping of the parts of anything that has a definite action.
2. The means by which an effect is obtained.
3. The chain of events in a particular process.
4. The detailed description of a reaction pathway.
5. biowarfare A device or part of one intended to release a biologic or chemical agent.
[G. mēchanē, a contrivance]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

mech·a·nism

(mek'ă-nizm)
1. Arrangement or grouping of parts of anything that has a definite action.
2. Means by which an effect is obtained.
3. Chain of events in a particular process.
[G. mēchanē, a contrivance]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about mechanism

Q. How does an allergic response occur? I don’t understand the exact mechanism of allergies. Can someone explain this?

A. In the early stages of allergy, a type I hypersensitivity reaction against an allergen, encountered for the first time, causes a response in a type of immune cell called a TH2 lymphocyte, that interact with other lymphocytes called B cells, whose role is production of antibodies. The secreted IgE antibody circulates in the blood and binds to an IgE-specific receptor (a kind of Fc receptor called FceRI) on the surface of other kinds of immune cells called mast cells and basophils, which are both involved in the acute inflammatory response. The IgE-coated cells, at this stage are sensitized to the allergen. If later exposure to the same allergen occurs, the allergen can bind to the IgE molecules held on the surface of the mast cells or basophils and cause a full reaction.

More discussions about mechanism
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References in periodicals archive ?
The ReAD model posits that activation and decay of LTM ideas coupled with limited capacity STM are the fundamental mental mechanisms of TI.
This paper focused on the following problems: what mental mechanisms are involved in identifying topics in natural language text?
One, cognitive or physiological psychology, seeks to discover internal mental mechanisms. The other, behavior analysis or teleological behaviorism, has as its major goal the explanation, prediction, and control of overt behavior.
Psychologists from Poland and elsewhere in Europe explore the mental mechanisms underlying conspiracy theories in group perception, conspiracy theories and ideology, and conspiracy theories as explanatory structures.
"Upper body strength in adult males is a crucial variable that appears to have impacts on a wide range of mental mechanisms," the authors said.
"However, although it appears as if cooperation is made possible by mental mechanisms that are not specific to religion, religion can play a role in facilitating and stabilizing cooperation between groups."
Washington, July 3 (ANI): Researchers at the University of Granada in Spain have found that sexist jokes favour the mental mechanisms that justify violence and battering against women in individuals with macho attitudes.
They observed that the students who had listened to sexist jokes were much more tolerant with male battering than those who had not, this is, that this kind of humour favours the mental mechanisms tolerant with violent behaviour towards women.
A better understanding of the mental mechanisms used in echolocation could also help to design new medical imaging technologies or scanners, which make use of the great penetration capacity of clicks.

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