gas pains

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any elastic aeriform fluid in which the molecules are widely separated from each other and so have free paths.
alveolar gas the gas in the alveoli of the lungs, where gas exchange with the capillary blood takes place.
blood g's the partial pressures of oxygen and carbon dioxide in blood; see blood gas analysis.
laughing gas nitrous oxide.
gas pains pains caused by distention of the stomach or intestines by accumulation of air or other gases. The presence of gas is indicated by distention of the abdomen, belching, or discharge of gas through the rectum. Gas-forming foods include highly flavored vegetables such as onions, cabbage, and turnips; members of the bean family; and fruits such as melons and raw apples. Some seasonings and other chemical irritants also produce gas.
tear gas any of various irritant vapors dispensed by aerosol and causing pain and severe lacrimation in humans; some also cause irritation of exposed mucous membranes as well as vomiting. Common ones include chloroacetophenone (CN), o-chlorobenzylidenemalononitrile (see CS), and dibenz(b,f)-1,4-oxazepine (see cr); the most common of the three is CS (also known as mace).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
References in periodicals archive ?
An increase in gas or gas pain may result from eating foods that are more likely to produce gas.
Constipation can cause gas pains, and it's best relieved by drinking lots of water, getting fiber from whole foods and fiber supplements and regular physical activity.
The MAM Anti-Colic Bottle, for example, has a vented base designed to ensure the smooth flow of milk while minimizing the amount of air that the baby swallows--and the gas pains and crying that can result.
In their totality, they painted an unwitting portrait of an audience afflicted by diabetes, high cholesterol asthma, high blood pressure, leaky bladders, gas pains, hemorrhoids and osteoporosis--and in dire need of a stool softener.
Today's gas pains should have the industry scurrying to develop future remedies now.
However, outdoor recreation buffs could find their lifestyle cramped by gas pains in other ways, as the increased costs of fuel works its way through the economy.
Adolf Hitler suffered from chronic gas pains for which his physician, a semi-quack by the name of Theo Morell, prescribed "Dr.