loa loa, a roundworm nematode, the causative agents of loa loa filariasis

accumulated animal blood chronic condition disease disorder drainage edema elephantiasis filariasis fluid gross health healthcare illustration insect insectborne larva leg limb lymph lymphedema lymphoedema medical medicine microfilaria microfilariae mosquito mosquitoborne nematode parasite parasitic parasitism sheathed swelling swollen system tropica unhealthy worm