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. physiology
  3. tropisms

Preferred term

tropisms

Type

  • Topic

Definition

  • Information Movement that is inducible and takes place in a direction related to that of the stimulus, such as the movement of leaves toward light in positive phototropism or away from light in negative phototropism.

    Source: NAL Thesaurus Staff

    Concept scheme: NALT Full

    Type: Concept definition

Broader concept

Narrower concepts

Related concepts

Scope note

  • Use for movement in plants and other non-mobile organisms; For orientation movement of animals and other organisms with mobility (e.g. flagella, motile cilia, appendages) in response to a stimulus USE taxis (physiology).

In other languages

URI

https://lod.nal.usda.gov/nalt/14074

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 3/22/19