FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term spindle ID (Ontology) GO:0005819 (Gene Ontology)
Definition The array of microtubules and associated molecules that forms between opposite poles of a eukaryotic cell during mitosis or meiosis and serves to move the duplicated chromosomes apart.[ ISBN:0198547684 ]
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Annotations
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Genes (FBgn)GO_CELLULAR_COMPONENT
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Constructs
 spindle (all annotations which use CV term, excluding "NOT" statements)
     colocalizes_with | spindle       --
      --
     is_active_in | spindle       --
      --
     located_in | spindle       --
      --
     spindle | adult stage | female
      --
     spindle | blastoderm stage | maternal effect
      --       --
     spindle | cleavage stage | maternal effect
      --       --
     spindle | conditional | embryonic stage 4
      --       --
     spindle | ectopic
      --
     spindle | embryonic cycle 12 | maternal effect
      --       --
     spindle | embryonic cycle 13 | maternal effect
      --       --
     spindle | embryonic cycle 16
      --       --
     spindle | embryonic stage
      --
     spindle | embryonic stage 4
      --
     spindle | embryonic stage 4 | germline clone
      --       --
     spindle | embryonic stage 4 | maternal effect
      --       --
     spindle | embryonic stage | maternal effect
      --
     spindle | germline clone
      --       --
     spindle | germline clone | maternal effect
      --       --
     spindle | heat sensitive
      --       --
     spindle | male
      --       --
     spindle | male | spermatogenesis
      --       --
     spindle | maternal effect
      --       --
     spindle | maternal effect | heat sensitive
      --       --
     spindle | non-rescuable maternal effect
      --       --
     spindle | oogenesis
      --
     spindle | P-stage
      --       --
     spindle | pre-blastoderm stage
      --       --
     spindle | somatic clone
      --       --
     spindle | somatic clone | third instar larval stage
      --       --
     spindle | third instar larval stage
      --
Spanning Tree (Parents/Children)
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Vocabulary search
cytoskeleton
 |__microtubule cytoskeleton______________
membraneless organelle                    |
 |__intracellular membraneless organelle__|
intracellular organelle                   |
 |__intracellular membraneless organelle__|
                                          spindle  397 rec.
                                           |__aster 43 rec.
                                           |   |__astral microtubule(+) 12 rec.
                                           |   |__horsetail-astral microtubule array
                                           |__meiotic spindle 39 rec.
                                           |   |__meiotic spindle astral microtubule
                                           |   |__meiotic spindle midzone 7 rec.
                                           |   |__meiotic spindle pole 3 rec.
                                           |__mitotic spindle 81 rec.
                                           |   |__centralspindlin complex 4 rec.
                                           |   |__mitotic spindle astral microtubule(+) 2 rec.
                                           |   |__mitotic spindle microtubule(+) 5 rec.
                                           |   |__mitotic spindle midzone 10 rec.
                                           |   |__mitotic spindle pole 3 rec.
                                           |__MMXD complex
                                           |__spindle microtubule 57 rec.
                                           |   |__astral microtubule(+) 12 rec.
                                           |   |__kinetochore microtubule(+) 23 rec.
                                           |   |__mitotic spindle microtubule(+) 5 rec.
                                           |   |__polar microtubule(+) 2 rec.
                                           |__spindle midzone 47 rec.
                                           |   |__meiotic spindle midzone 7 rec.
                                           |   |__mitotic spindle midzone 10 rec.
                                           |__spindle pole 57 rec.
                                               |__meiotic spindle pole 3 rec.
                                               |__mitotic spindle pole 3 rec.
                                               |__polar microtubule(+) 2 rec.
                                               |__spindle pole centrosome 11 rec.
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Is a intracellular membraneless organelle
Part of microtubule cytoskeleton
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Synonyms
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Wikipedia:Spindle_apparatus