Parasites are organisms that live in and feed off a living host. There are a variety of parasitic worms that can take up residence in humans. Among them are flatworms, roundworms, and thorny-headed worms (spiny-headed worms). The risk of parasitic worm infection is higher in rural or developing regions.
Are worms and parasites the same thing in humans?
There are three main groups of helminths (derived from the Greek word for worms) that are human parasites: Flatworms (platyhelminths) – these include the trematodes (flukes) and cestodes (tapeworms). Thorny-headed worms (acanthocephalins) – the adult forms of these worms reside in the gastrointestinal tract.
Are intestinal parasites the same as worms?
Intestinal worms, also known as parasitic worms, are one of the main types of intestinal parasites in humans. They're most commonly found in subtropical and tropical regions, but some types are found in the United States. Most intestinal worm infections only cause mild illness and can be treated with medication.
Why worms are called parasites?
Parasitic worms live in and feed in living hosts. They receive nourishment and protection while disrupting their hosts' ability to absorb nutrients.
What kind of parasite is a worm?
Helminths: These are worm parasites. They are typically visible to the naked eye at their adult stage. Unlike protozoa, they cannot multiply in humans. Ectoparasites: These live on rather than in their hosts.
