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.
- postpartum
- post-polio syndrome
- postponable
- postpone
- postponement
- postpose
- postposition
- postpositional
- postpositionally
- postpositive
- postpositively
- postprandial
- postprandially
- postproduction
- postscript
- PostScript
- postseason
- poststructuralism
- postsynaptic
- postsynaptically
- posttest
- post time
- posttranscriptional
- posttransfusion
- posttranslational