A genus of very large nematode worms infecting the kidney.
[L. fr. G. dionkoō, to distend, + phyma, growth]
Dioctophyma/Di·oc·to·phy·ma/ (di-ok″to-fi´mah) a genus of nematodes, including D. rena´le, the kidney worm, found in dogs, cattle, horses, and other animals, and rarely in humans; it is highly destructive to kidney tissue.
A genus of roundworms found in dogs but rarely in humans.