FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term eye photoreceptor precursor cell ID (Ontology) FBbt:00048002 (Fly Anatomy)
Definition Immature neuron of the eye disc that will develop into one of the photoreceptors (R1-R8) of the adult eye.[ FlyBase:FBrf0064798 FlyBase:FBrf0222590 ]
Also Known As "developing photoreceptor" ; "future photoreceptor" ; "immature eye photoreceptor"
Comment
Links to External Ontologies
VFB:FBbt_00048002
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       8
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      60
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       8
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 eye photoreceptor precursor cell (all annotations which use CV term, excluding "NOT" statements)       8      2     60     10
     eye photoreceptor precursor cell | decreased number | larval stage       2       --       --       2
     eye photoreceptor precursor cell | larval stage       4       --       --       4
     eye photoreceptor precursor cell | larval stage | somatic clone       2       --       --       3
     eye photoreceptor precursor cell | larval stage | somatic clone - tissue specific       1       --       --       --
Spanning Tree (Parents/Children)
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neuron
 |__larval neuron____
developing neuron    |
 |__immature neuron__|
                     eye photoreceptor precursor cell  113 rec.
                      |__photoreceptor R1 precursor cell 1 rec.
                      |__photoreceptor R2 precursor cell 6 rec.
                      |__photoreceptor R3 precursor cell 24 rec.
                      |__photoreceptor R4 precursor cell 24 rec.
                      |__photoreceptor R5 precursor cell 5 rec.
                      |__photoreceptor R6 precursor cell 1 rec.
                      |__photoreceptor R7 precursor cell 4 rec.
                      |__photoreceptor R8 precursor cell 7 rec.
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Is a larval neuron
immature neuron
Part of ommatidial precursor cluster
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Synonyms
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VFB:FBbt_00048002