FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term head ID (Ontology) FBbt:00000004 (Fly Anatomy)
Definition Anterior part of the organism, including mouthparts, some sensory structures and the brain.
Comment
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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 Images Insertions Constructs
 head (all annotations which use CV term, excluding "NOT" statements)
     head | anterior | maternal effect
      --       --
      --
     head | cold sensitive
      --       --       --
     head | conditional
      --       --       --       --
     head | dorsal
      --       --
     head | dorsal | heat sensitive
      --       --       --
     head | dorsal | posterior
      --       --       --       --
     head | dorsal | somatic clone
      --       --       --       --
     head | embryonic stage
      --       --
      --
     head | embryonic stage | heat sensitive
      --       --       --
     head | germline clone
      --       --
      --
     head | heat sensitive
      --       --       --
     head | larval stage
      --       --       --       --
     head | male
      --       --       --
     head | maternal effect
      --       --
      --
     head | P-stage
      --       --
     head | pharate adult stage
      --       --
     head | pharate adult stage P15
      --       --       --
     head | pharate adult stage | temperature conditional
      --       --       --
     head | posterior
      --       --       --
     head | prepupal stage P4
      --       --       --       --
     head | pupal stage
      --       --
     head | somatic clone
      --       --
     head | ventral
      --       --       --       --
Spanning Tree (Parents/Children)
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organism____________________________________
anterior-posterior subdivision of organism__|
                                            tagma
                                             |__head  42146 rec.
                                                 |__adult head 37737 rec.
                                                 |   |__accessory pharyngeal nerve 3 rec.
                                                 |   |__adult antennal nerve(+) 60 rec.
                                                 |   |__adult brain(+) 16890 rec.
                                                 |   |__adult cibarial muscle tracheal branch 1 rec.
                                                 |   |__adult external head(+) 3357 rec.
                                                 |   |__adult eye nerve
                                                 |   |__adult frontal nerve 2 rec.
                                                 |   |__adult head segment(+) 7725 rec.
                                                 |   |__adult head sensillum(+) 7232 rec.
                                                 |   |__adult labial nerve 8 rec.
                                                 |   |__adult labial sensory neuron(+) 104 rec.
                                                 |   |__adult labial tracheal branch 4 rec.
                                                 |   |__adult labral nerve 1 rec.
                                                 |   |__adult labro-frontal nerve
                                                 |   |__adult maxillary nerve 8 rec.
                                                 |   |__adult maxillary palp tracheal branch 2 rec.
                                                 |   |__adult maxillary-labial nerve
                                                 |   |__adult occipital nerve
                                                 |   |__adult pericerebral fat mass(+) 21 rec.
                                                 |   |__adult pharyngeal nerve 4 rec.
                                                 |   |__adult somatic muscle of head(+) 56 rec.
                                                 |   |__antennal cup
                                                 |   |__antennal foramen 5 rec.
                                                 |   |__eye(+) 15610 rec.
                                                 |   |__frontal pulsatile organ 4 rec.
                                                 |   |__head air sac(+) 9 rec.
                                                 |   |__mandibular nerve
                                                 |   |__occipital foramen 3 rec.
                                                 |   |__ocellar nerve 27 rec.
                                                 |   |__proboscis muscle motor neuron(+) 137 rec.
                                                 |   |__tegumentary nerve 2 rec.
                                                 |__cephalic vascular rudiment 3 rec.
                                                 |__embryonic head 2035 rec.
                                                 |   |__cephalopharyngeal skeleton(+) 565 rec.
                                                 |   |__embryonic head segment(+) 438 rec.
                                                 |   |__embryonic/larval mouth 40 rec.
                                                 |   |__procephalic neurogenic region(+) 399 rec.
                                                 |__embryonic/larval esophageal visceral muscle 29 rec.
                                                 |__head segment 9260 rec.
                                                 |   |__adult head segment(+) 7725 rec.
                                                 |   |__embryonic head segment(+) 438 rec.
                                                 |   |__gnathal segment(+) 1214 rec.
                                                 |   |__larval head segment(+) 1084 rec.
                                                 |   |__procephalic segment(+) 8500 rec.
                                                 |__head sensillum 7396 rec.
                                                 |   |__adult head sensillum(+) 7232 rec.
                                                 |   |__embryonic/larval head sensillum(+) 244 rec.
                                                 |   |__labial sensillum(+) 245 rec.
                                                 |__larval head 5291 rec.
                                                 |   |__cephalopharyngeal skeleton(+) 565 rec.
                                                 |   |__embryonic/larval head nerve(+) 95 rec.
                                                 |   |__embryonic/larval head sense organ(+) 347 rec.
                                                 |   |__embryonic/larval mouth 40 rec.
                                                 |   |__larval antenno-maxillary sensory complex(+) 157 rec.
                                                 |   |__larval brain(+) 3444 rec.
                                                 |   |__larval cardiac outflow muscle(+) 7 rec.
                                                 |   |__larval head segment(+) 1084 rec.
                                                 |   |__pericommissural muscle(+)
                                                 |   |__pharyngeal muscle(+) 520 rec.
                                                 |__orbital ridge
                                                     |__frontal orbital ridge
                                                     |__rear orbital ridge
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Is a tagma
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UBERON:6000004