n., pl., -i·ae (-ē-ē').
Any of various slender, threadlike nematode worms of the superfamily Filarioidea that are parasitic in vertebrates and are often transmitted as larvae by mosquitos and other biting insects. The adult form lives in the blood and lymphatic tissues, causing inflammation and obstruction that can lead to elephantiasis.
[New Latin Fīlāria, former genus name, from Latin fīlum, thread.]
filarial fi·lar'i·al (-ē-əl) or fi·lar'i·an (-ē-ən) adj.




