Asthma : A common disorder in which chronic inflammation of the bronchial tubes (bronchi) makes them swell, narrowing the airways. Asthma involves only the bronchial tubes and does not affect the air sacs ( alveoli ) or the lung tissue (the parenchyma of the lung) itself.

 

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Asthma: A respiratory disorder caused by allergies that constrict the bronchioles by inducing spasms in the muscles surrounding the lungs, by causing the bronchioles to swell, or by clogging the bro . . . View Full Definition

Bowen Technique: Developed by Thomas Ambrose Bowen of Australia in the 1960s and 1970s, this hands-on, light-touch body therapy consists of gentle rolling movements over muscle bellies and tendons to stimula . . . View Full Definition

Disease: Cancer, diabetes, pneumonia, hepatitis, asthma and the flu are just some examples of diseases.

Aminophylline: Active ingredient in Epidril, Aminophylline has been used for many years as an asthma medication. Some studies come to a conclusion that this substance might have the property to induce the . . . View Full Definition

Permanent Hardness: Water hardness that remains after boiling the water, mainly due to dissolved calcium sulfate. Chlorides also contribute to permanent hardness.

Permanent Current: A current that runs continuously and is independent of tides and other temporary causes. Permanent currents include the general surface circulation of the oceans.

Permalloy Tape Head: A cassette tape head constructed of permalloy, an alloy made primarily of nickel and iron, used for its superior high wear resistance and permeability, offering superior frequency response a . . . View Full Definition

Permanence Tests: Methods of establishing whether long term permanence of an image has been achieved.

Permanent Financing: Long-term financing using either debt or equity.

Permanent Law: Legislation that would be in force in the absence of all temporary or short-term laws (e.g., farm bills). The Agricultural Adjustment Act of 1938, the Agricultural Act of 1949, and the Commo . . . View Full Definition