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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 ?
Univariate and multiple regression analysis were done on mechanically ventilated patients in PICU.
1) Resolution for Labeling of Mechanically Tenderized Beef (http://news.
Due to the use of mechanically recycled PET film, the volume of CO2 released during processes up to and including GL Film manufacture is reduced by approximately 17% compared with films produced using non-recycled PET.
These have enabled the production of mechanically strong custom parts, which are made by reinforcing the regions of highest solicitation with a polymer.
The Mechanically Tuned Freestyle Djembes come in four attractive color designs (Bali Red, Abstraer Red, Snake, and Fiesta); as well as in four head sizes: 9", 10", 12" and 14" (the 14" djembe comes with a matching carrying bag, free of charge).
In contrast, by mechanically adjusting book income for the $2 million increase in the allowance for bad debts account, ABC could not claim any portion of the $800,000 deduction until a write-off entry is recorded for financial accounting purposes.
The 17-inch-wide, 4-foot-long infeed conveyor belt has an optional 2-foot extension to handle more material loaded by hand or mechanically.
Controls on a 10-year-old web-thickness scanner may be obsolete, but the frame may be mechanically sound.
Firemaster 602 is specifically recommended for mechanically cooled foams.
The wires are attached mechanically, without solder or epoxy, using an innovative process that allows the brush to maintain integrity even if some of the bristles should be broken off.
Metastable, mechanically alloyed and nanocrystalline materials; ISMANAM-2004; proceedings.
Deutz was already meeting fuel emission regulations mechanically, so there wasn't a need to change their product, Also, underground mining equipment is a relatively small market for Deutz.

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