Reflex, Pupillary MeSH Descriptor Data 2026

MeSH Heading: Reflex, Pupillary
Tree Number(s): E01.370.376.550.650.690; E01.370.600.550.650.690; G11.561.731.705
Unique ID: D012025
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D012025
Annotation: contraction of pupil on exposure to light
Scope Note: Constriction of the pupil in response to light stimulation of the retina. It refers also to any reflex involving the iris, with resultant alteration of the diameter of the pupil. (Cline et al., Dictionary of Visual Science, 4th ed)
NLM Classification #: WW 240
Previous Indexing: Pupil (1966-1969); Reflex (1966-1969)
See Also: Adie Syndrome
Public MeSH Note: 74
History Note: 74(70)
Date Introduced: 1974/01/01
Last Updated: 2016/06/22

Allowable Qualifiers: drug effects (DE)

ethics (ES)

genetics (GE)

immunology (IM)

physiology (PH)

radiation effects (RE)

Diagnosis [E01]
- Diagnostic Techniques and Procedures [E01.370]
  - Diagnostic Techniques, Neurological [E01.370.376]
    - Neurologic Examination [E01.370.376.550]
      - Reflex [E01.370.376.550.650]
        
        Diving Reflex [E01.370.376.550.650.324]
        
        Reflex, Abdominal [E01.370.376.550.650.650]
        
        Reflex, Abnormal [E01.370.376.550.650.655]
        
        Reflex, Acoustic [E01.370.376.550.650.670]
        
        Reflex, Babinski [E01.370.376.550.650.680]
        
        Reflex, Pupillary [E01.370.376.550.650.690]
        
        Reflex, Righting [E01.370.376.550.650.695]
        
        Reflex, Stretch [E01.370.376.550.650.700]
        
        Reflex, Startle [E01.370.376.550.650.800]

Diagnosis [E01]
- Diagnostic Techniques and Procedures [E01.370]
  - Physical Examination [E01.370.600]
    - Neurologic Examination [E01.370.600.550]
      - Reflex [E01.370.600.550.650]
        
        Diving Reflex [E01.370.600.550.650.324]
        
        Reflex, Abdominal [E01.370.600.550.650.650]
        
        Reflex, Abnormal [E01.370.600.550.650.655]
        
        Reflex, Acoustic [E01.370.600.550.650.670]
        
        Reflex, Babinski [E01.370.600.550.650.680]
        
        Reflex, Pupillary [E01.370.600.550.650.690]
        
        Reflex, Righting [E01.370.600.550.650.695]
        
        Reflex, Stretch [E01.370.600.550.650.700]
        
        Reflex, Startle [E01.370.600.550.650.800]

Musculoskeletal and Neural Physiological Phenomena [G11]
- Nervous System Physiological Phenomena [G11.561]
  - Reflex [G11.561.731]

Reflex, Pupillary Preferred

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