Also found in: Dictionary, Thesaurus, Encyclopedia.
a modification of the respiratory rhythm caused by the inhalation of an irritating vapor.
A change in respiratory depth and rate, coughing, suffocation, and pulmonary edema when an irritant vapor is inhaled.
See also: reflex
pne·o·pne·ic re·flex(nēop-nēik rēfleks)
Modification of respiratory rhythm caused by inhalation of an irritating vapor.