What is filarial nematode?
The filariae are thread-like parasitic nematodes (roundworms) that are transmitted by arthropod vectors. The adult worms inhabit specific tissues where they mate and produce microfilariae, the characteristic tiny, thread-like larvae.
What is Filariidae?
Definition of Filariidae : a family of nematode worms formerly coextensive with Filarioidea and now usually restricted to a few forms not of medical importance.
What class are filarial worms?
Species within this superfamily are known as filarial worms or filariae (singular filaria)….
Which is the pathogen of filariasis?
Causative Agents. The causative agents of lymphatic filariasis (LF) include the mosquito-borne filarial nematodes Wuchereria bancrofti, Brugia malayi, B. timori An estimated 90% of LF cases are caused by W. bancrofti (Bancroftian filariasis).
How do I get rid of filarial worms?
The main goal of treatment of an infected person is to kill the adult worm. Diethylcarbamazine citrate (DEC), which is both microfilaricidal and active against the adult worm, is the drug of choice for lymphatic filariasis. The late phase of chronic disease is not affected by chemotherapy.
Where do filarial worms live?
The adult worms only live in the human lymph system. The lymph system maintains the body’s fluid balance and fights infections. Lymphatic filariasis affects over 120 million people in 72 countries throughout the tropics and sub-tropics of Asia, Africa, the Western Pacific, and parts of the Caribbean and South America.
What are the symptoms of filarial worms?
Symptoms may include itchy skin (pruritis), abdominal pain, chest pain, muscle pain (myalgias), and/or areas of swelling under the skin. Other symptoms may include an abnormally enlarged liver and spleen (hepatosplenomegaly), and inflammation in the affected organs.
How do humans contract necator?
The two major types of hookworms that cause infection are Necator americanus and Ancylostoma duodenale. The eggs of these hookworms end up on the ground after passing through human feces. They hatch into larvae, which stay in the soil until they have a chance to break through human skin.