Medical Dictionary
thread lungworm
noun \ˈthred-\
Medical Definition of THREAD LUNGWORM
: a slender widely distributed nematode worm of the genus Dictyocaulus (D. filaria) that parasitizes the air passages of the lungs of sheep
Seen & Heard
What made you want to look up thread lungworm? Please tell us where you read or heard it (including the quote, if possible).