Word: alveoli
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Dates: during 2000-2009
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...passages," says Dr. Thomas Petty, a pulmonologist at the University of Colorado Health Sciences Center in Denver and at Chicago's Rush University. Swelling and inflammation trigger bronchiospasm, a clenching of the muscles surrounding the air passages, further choking off the oxygen supply. Inadequate oxygen in turn damages the alveoli, the sacs of cells that transfer oxygen into the bloodstream...
...order to cause disease, at least 8,000 to 10,000 spores need to lodge deep in the lungs, in the tiniest air sacs known as alveoli. The warm, moist environment, and possibly the concentration of carbon dioxide in the lungs, stimulates the bacterium to emerge from its protective spore. As each bacterium reproduces, it releases toxins, which eventually spread throughout the body and destroy tissue and organs...