An official website of the United States government.
parasites
- Subject Category
- P Natural Resources, Earth and Environmental Sciences
- S Biological Sciences
- Definition
- Invertebrate organisms that live on or in another organism (the host), and benefit at the expense of the other. Traditionally excluded from definition of parasites are pathogenic bacteria; fungi; viruses; and plants; though they may live parasitically.
- Definition Source
- Medical Subject Headings 2016
- RDF/XML Format:
- http://lod.nal.usda.gov/nalt/9356.rdf
- Persistent URI:
- http://lod.nal.usda.gov/nalt/9356
- Broader Term
- heterotrophs
- pests
- Narrower Term
- ectoparasites
- endoparasites
- gregarines
- hematophagous parasites
- hemoparasites
- mycoparasites
- parasitic insects
- parasitic plants
- Related Term
- animal parasites and pests
- antiparasitic agents
- antiparasitic properties
- definitive hosts
- etiological agents
- haustoria
- host-parasite relationships
- kleptoplasty
- parasite load
- parasitism
- parasitology
- parasitoses
- pathogens
- Spanish
- parásitos
- Term Number
- 9356