FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term embryonic head ID (Ontology) FBbt:00000155 (Fly Anatomy)
Definition Any head of the embryo.
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS

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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
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
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 Insertions Constructs
 embryonic head (all annotations which use CV term, excluding "NOT" statements)
     embryonic head | anterior
      --       --       --
     embryonic head | anterior | maternal effect
      --       --       --
     embryonic head | dorsal
      --       --
     embryonic head | germline clone
      --
      --
     embryonic head | germline clone | maternal effect
      --       --       --
     embryonic head | germline clone | non-rescuable maternal effect
      --
      --
     embryonic head | germline clone | rescuable maternal effect
      --
      --
     embryonic head | heat sensitive
      --
     embryonic head | maternal effect
      --
     embryonic head | maternal effect | posterior | heat sensitive
      --       --       --
     embryonic head | non-rescuable maternal effect
      --       --       --
     embryonic head | parental effect
      --
      --
     embryonic head | rescuable maternal effect
      --
      --
Spanning Tree (Parents/Children)
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tagma
 |__head_____________
 |__embryonic tagma__|
embryo               |
 |__embryonic tagma__|
                     embryonic head  2035 rec.
                      |__cephalopharyngeal skeleton 565 rec.
                      |   |__dental sclerite 7 rec.
                      |   |__epipharyngeal sclerite 15 rec.
                      |   |__hypostomal sclerite 51 rec.
                      |   |__mouth hook 165 rec.
                      |   |__pharyngeal sclerite(+) 114 rec.
                      |__embryonic head segment 438 rec.
                      |   |__embryonic gnathal segment(+) 250 rec.
                      |   |__embryonic procephalic segment(+) 283 rec.
                      |__embryonic/larval mouth 40 rec.
                      |__procephalic neurogenic region 399 rec.
                          |__central brain anlage 345 rec.
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Is a head
embryonic tagma
Part of
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Synonyms
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UBERON:0008816