mechanics (redirected from Particle mechanics)

mechanics /me·chan·ics/ (mĕ-kan´iks) the science dealing with the motions of bodies.

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body mechanics  the application of kinesiology to prevent and correct problems related to posture.

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me·chan·ics (m-knks)

n.

1. The branch of physics concerned with the analysis of the action of forces on matter or material systems.

2. The design, construction, and use of machinery or of mechanical structures.

3. The functional and technical aspects of an activity.

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mechanics

the science dealing with the motions of material bodies.

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body mechanics

the application of kinesiology to the use of the body in normal activities.

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Patient discussion about Particle mechanics.

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.