bron·cho·spasm 
(brŏngkō-spăz′əm)
(brŏngkō-spăz′əm)n.
A contraction of smooth muscle in the walls of the bronchi and bronchioles, causing them to constrict.
| 单词 | bronchospasm |
| 释义 | bron·cho·spasm (brŏngkō-spăz′əm)n. A contraction of smooth muscle in the walls of the bronchi and bronchioles, causing them to constrict. |
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