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Related to microfilariae: elephantiasis


n. pl. mi·cro·fi·lar·i·ae (-ē-ē′)
The minute larval form of a filarial worm.

mi′cro·fi·lar′i·al adj.


n, pl -iae (-ɪˌiː)
(Zoology) zoology the early larval stage of certain parasitic nematodes (filariae), found in the blood of infected individuals


(ˌmaɪ kroʊ fɪˈlɛər i ə)

n., pl. -lar•i•ae (-ˈlɛər iˌi)
the embryonic larva of the nematode parasite Filaria or of related genera, esp. of those species that cause heartworm in dogs and elephantiasis in humans.
[1875–80; < New Latin; see micro-, filaria]
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Diagnostic criteria for TPE include: (a) history of exposure to filarial endemic area; (b) symptoms of paroxysmal nocturnal cough and breathlessness; (c) laboratory abnormalities with marked leucocytosis, profound peripheral eosinophilia (>3,000 cells/mm3), elevated serum IgE levels (>1,000 IU/ ml); (d) positive serology for serum antifilarial antibodies (IgG and/or IgE); (e) absence of microfilariae in peripheral blood; and (f) a favorable clinical response to DEC.
The emerged microfilariae were counted and recorded accordingly.
If the dog tests positive for microfilariae, pretreat with corticosteroids prior to giving the first dose of heart-worm preventive medication and keep the dog under veterinary observation for at least 8 hours afterwards, due to the risk of anaphylactic shock from the rapid die-off of the microfilariae.
Results: Butea monosperma leaves and roots, Vitex negando root and Aegle marmelo leaves showed significant inhibition of motility of microfilariae as compared to controls whereas inhibitory activity demonstrated by Ricinus communis L.
In the tropics, it can be found surrounding schistosome eggs, microfilariae, and a variety of fungi.
Consequently, microfilariae might be available for long periods (a few years) in skin of infected dogs.
Microfilariae ingested by mosquitoes grow into infective larvae.
Occult heartworm infection in canines is defined as the presence of adult Dirofilaria immitis in dogs without concurrent circulatory microfilariae (Rawlings et al.
pahangi microfilariae by intrathoracic inoculation reduced the development rate of a pre-existing Plasmodium gallinaceum infection, both in susceptible and refractory strains of Ae.
A landmark initial study was presented that evaluated heartworm microfilariae in different regions of the Mississippi Delta.
niveus indicated that over 40 per cent of the microfilariae ingested were able to develop into infective stages.
After the first case of canine ocular onchocercosis was reported in the Algarve region in southern Portugal (6), a survey to detect microfilariae in apparently healthy dogs revealed an 8.