<unk>  of Dirofilaria immitis (heartworms) in a lymph node impression smear from a dog with lymphoma. This baby nematode is snuggled down in a pillow of intermediate-to-large, immature lymphocytes, exhibiting multiple criteria of malignancy (1,000X magnification; courtesy Lance Wheeler; Original source: https://www.flickr.com/gp/146435388@N03/0670TX). ::Microfilaria may also refer to an informal "collective group" genus name, proposed by Cobbold in 1882. While a convenient category for newly discovered<unk> e which can not be assigned to a known species because the adults are unknown, it is seldom used today.<unk>  found in blood slides LACEN State Laboratory of Amazonas Brazil The<unk>  (plural<unk> e, sometimes abbreviated<unk>  is an early stage in the life cycle of certain parasitic nematodes in the family Onchocercidae. In these species, the adults live in a tissue or the circulatory system of vertebrates (the "definitive hosts"). They release<unk> e into the bloodstream of the vertebrate host. The<unk> e are taken up by blood-feeding arthropod vectors (the "intermediate hosts"). In the intermediate host the<unk> e develop into infective larvae that can be transmitted to a new vertebrate host. The presence of<unk> e in the host bloodstream is called "microfilaraemia". The success of filariasis eradication programs is typically gauged by the reduction in numbers of circulating<unk> e in infested individuals within a geographic area.
Microfilaria
Schistosoma
Hookworm
Curatella
Mammillaria 
Spirometra
Pinworm 
Plerocercoid