You are here:

All | A | B | C | D | E | F | G | H | K | L | M | N | O | P | R | S

All

Term Definition
Asthma

A condition caused by inflammation in the airways. When an asthma attack occurs, the muscles surrounding the airways become tight and the lining of the air passages swell. This reduces the amount of air that can pass by, and can lead to wheezing sounds.