Medical Dictionary
1passage
noun pas·sage \ˈpas-ij\
Medical Definition of PASSAGE
1
: the action or process of passing from one place, condition, or stage to another <the passage of air from the lungs—Encyclopedia Americana>
2
: an anatomical channel <the nasal passages>
3
: a movement or an evacuation of the bowels
4
a : an act or action of passing something or undergoing a passing <passage of a catheter through the urethra> b : incubation of a pathogen (as a virus) in a tissue culture, a developing egg, or a living organism to increase the amount of pathogen or to alter its characteristics <several passages of the virus through mice>
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