Phototaxis MeSH Descriptor Data 2025

MeSH Heading: Phototaxis
Tree Number(s): F01.145.113.780.875; F01.145.875.439.500.875; G07.568.500.590.875; G11.427.410.568.850.875
Unique ID: D000071444
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D000071444
Scope Note: A behavioral change that results in an organism moving or orienting toward or away from the light source.
Entry Term(s): Photokinesis
Previous Indexing: Light (1963-2016); Movement (1964-2016)
See Also: Phototropism
Public MeSH Note: 2017
History Note: 2017
Date Established: 2017/01/01
Date of Entry: 2016/07/08
Revision Date: 2016/05/20

Allowable Qualifiers: classification (CL)

drug effects (DE)

ethics (ES)

physiology (PH)

radiation effects (RE)

Behavior and Behavior Mechanisms [F01]
- Behavior [F01.145]
  - Behavior, Animal [F01.145.113]
    - Taxis Response [F01.145.113.780]

Behavior and Behavior Mechanisms [F01]
- Behavior [F01.145]
  - Spatial Behavior [F01.145.875]
    - Orientation, Spatial [F01.145.875.439]
      - Taxis Response [F01.145.875.439.500]
        
        Chemotaxis [F01.145.875.439.500.500]
        
        Escape Reaction [F01.145.875.439.500.688]
        
        Phototaxis [F01.145.875.439.500.875]

Physiological Phenomena [G07]
- Movement [G07.568]
  - Locomotion [G07.568.500]
    - Taxis Response [G07.568.500.590]

Musculoskeletal and Neural Physiological Phenomena [G11]
- Musculoskeletal Physiological Phenomena [G11.427]
  - Movement [G11.427.410]
    - Locomotion [G11.427.410.568]
      - Taxis Response [G11.427.410.568.850]
        
        Chemotaxis [G11.427.410.568.850.500]
        
        Escape Reaction [G11.427.410.568.850.688]
        
        Phototaxis [G11.427.410.568.850.875]

Phototaxis Preferred

Photokinesis Related

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