Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. ecology
  3. trophic relationships
  4. heterotrophs
  5. parasites
  1. Natural Resources, Conservation, Environment
  2. ecology
  3. trophic relationships
  4. heterotrophs
  5. parasites
  1. Research, Technology, Methods
  2. organisms
  3. heterotrophs
  4. parasites
  1. Research, Technology, Methods
  2. organisms
  3. pests
  4. parasites

Preferred term

parasites

Type

  • Organism

Definition

  • Information 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.

    Source: Medical Subject Headings 2016

    Type: Concept definition

Broader concept

Narrower concepts

Related concepts

In other languages

URI

https://lod.nal.usda.gov/nalt/9356

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 3/9/18