mechanical

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me·chan·i·cal

(mĕ-kan'i-kăl),
1. Performed by means of some apparatus, not manually.
2. Explaining phenomena in terms of mechanics.
3. Automatic.
[G. mechanikos, relating to a machine, fr. mēchanē, a contrivance, machine]

mechanical

adjective Referring to or performed by a machine.

me·chan·i·cal

(mĕ-kan'i-kăl)
1. Performed by means of some apparatus, not manually.
2. Explaining phenomena in terms of mechanics.
3. Automatic.
[G. mēchanikos, relating to a machine, fr. mēchanē, a contrivance, machine]

Patient discussion about mechanical

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 mechanical
References in periodicals archive ?
The filler increase, refining changes, ratio changes, and moisture content changes all required a chemical and a mechanical approach.
How chemical and mechanical approaches can be successfully "married" in a common approach to reach high quality and low cost production
Other modules in the MechanicalSpace environment include: COSMOS/M DESIGNER II(TM), a feature-based solid modeling design and analysis system developed by Structural Research and Analysis Corporation (SRAC); ADAMS/MS Motion(TM) and ADAMS/MS Mechanisms(TM) by Mechanical Dynamics, Inc.
The company now serves over 250,000 professionals in building/plant engineering, geoengineering, and mechanical engineering.
We are steadily building up momentum in the mechanical market," said Brooks.
The company now serves over 220,000 professionals in building/plant engineering, geoengineering, and mechanical engineering.
MicroStation Modeler II also offers full access to MechanicalSpace, Bentley's full-featured integration platform for mechanical applications.