Spirurida

Spirurida is an order of parasitic nematodes. It includes many species which are parasitic in the gut of vertebrates, and some which are parasitic in invertebrates. The order is divided into two suborders, the Spirurina and the Filariata. The former includes species which are parasitic in the gut of vertebrates, and the latter includes species which are parasitic in the blood and tissues of vertebrates.

Taxonomy

The order Spirurida is divided into two suborders, the Spirurina and the Filariata. The Spirurina includes species which are parasitic in the gut of vertebrates, and the Filariata includes species which are parasitic in the blood and tissues of vertebrates.

Life cycle

The life cycle of Spirurida nematodes typically involves an intermediate host, which is usually an invertebrate. The nematode eggs are ingested by the intermediate host, where they hatch and develop into larvae. The larvae are then ingested by the definitive host, where they mature and reproduce.

Pathogenicity

Some species of Spirurida are pathogenic to their hosts. They can cause a variety of diseases, including lymphatic filariasis, onchocerciasis, and loiasis. These diseases are typically caused by the adult worms living in the tissues of the host, where they can cause inflammation and damage.

Treatment

Treatment for infections caused by Spirurida nematodes typically involves the use of anthelmintic drugs, such as ivermectin and albendazole. These drugs work by killing the adult worms and preventing them from reproducing.

See also

• Nematode
• Parasitism
• Helminthiasis

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