FB2024_03 , released June 25, 2024
FB2024_03 , released June 25, 2024
CV Term Report
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General Information
Term ocellus ID (Ontology) FBbt:00004505 (Fly Anatomy)
Definition A simple visual organ on the top of the adult head (Jean-Guillaume and Kumar, 2022). There are three of these per head, arranged in a triangle with one on the midline and the others slightly posterior and lateral (Jean-Guillaume and Kumar, 2022). They develop from the eye discs (Jean-Guillaume and Kumar, 2022).[ FlyBase:FBrf0166419 FlyBase:FBrf0255165 ]
Comment
Links to Extrernal Ontologies
VFB:FBbt_00004505
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     335
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      17
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      18
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      25
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 Images Insertions Constructs
 ocellus (all annotations which use CV term, excluding "NOT" statements)     337     22      6     35     45
     ocellus | absent | pharate adult stage       2       --       --       1       --
     ocellus | anterior       1       --       --       --       --
     ocellus | ectopic      11       --       --       1      2
     ocellus | ectopic | somatic clone       2       --       --       --       --
     ocellus | heat sensitive       3       --       --       --       --
     ocellus | pharate adult stage       3       --       --       1       --
     ocellus | somatic clone       7       --       --       --       --
     ocellus | somatic clone - Minute background       1       --       --       --       --
     ocellus | somatic clone | increased number       1       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
adult head
 |__adult head sensillum__
head sensillum            |
 |__adult head sensillum__|
postfrons                 |
 |__ocellar triangle______|
sense organ               |
 |__photoreceptor_________|
external sensory organ    |
 |__external sensillum____|
sensillum                 |
 |__external sensillum____|
adult sensillum           |
 |__adult head sensillum__|
region of integument      |
 |__ocellar triangle______|
visual system             |
 |__photoreceptor_________|
                          ocellus  466 rec.
                           |__lateral ocellus 14 rec.
                           |__medial ocellus 17 rec.
                           |__ocellus sensory structure 15 rec.
                               |__ocellus lens(+) 10 rec.
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Is a photoreceptor
external sensillum
adult head sensillum
Develops from presumptive ocellus
Part of ocellar triangle
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Synonyms
Secondary IDs
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UBERON:0003161
VFB:FBbt_00004505