FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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
Links to External Ontologies
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     299
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      41
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      46
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN     121
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)     299     86     44     86    130
     head | anterior | maternal effect       4       --       --       1       --
     head | cold sensitive       2       --       --       --       1
     head | conditional       2       --       --       --       --
     head | dorsal       6       --       --       1      4
     head | dorsal | heat sensitive       1       --       --       --       1
     head | dorsal | posterior       1       --       --       --       --
     head | dorsal | somatic clone       1       --       --       --       --
     head | embryonic stage       2       --       --       2       --
     head | embryonic stage | heat sensitive       1       --       --       --       1
     head | germline clone       1       --       --       1       --
     head | heat sensitive       5       --       --       --       3
     head | larval stage       7       --       --       --       --
     head | male       1       --       --       --       1
     head | maternal effect      17       --       --      13       --
     head | P-stage      11       --       --       1      9
     head | pharate adult stage      21       --       --       5     18
     head | pharate adult stage P15       2       --       --       --       1
     head | pharate adult stage | temperature conditional       1       --       --       --       1
     head | posterior       1       --       --       --       1
     head | prepupal stage P4       1       --       --       --       --
     head | pupal stage      30       --       --       1     23
     head | somatic clone      15       --       --       1      4
     head | ventral       1       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
organism____________________________________
anterior-posterior subdivision of organism__|
                                            tagma
                                             |__head  41997 rec.
                                                 |__adult head 37627 rec.
                                                 |   |__accessory pharyngeal nerve 3 rec.
                                                 |   |__adult antennal nerve(+) 60 rec.
                                                 |   |__adult brain(+) 16800 rec.
                                                 |   |__adult cibarial muscle tracheal branch 1 rec.
                                                 |   |__adult external head(+) 3338 rec.
                                                 |   |__adult eye nerve
                                                 |   |__adult frontal nerve 2 rec.
                                                 |   |__adult head segment(+) 7714 rec.
                                                 |   |__adult head sensillum(+) 7179 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(+) 15625 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 9249 rec.
                                                 |   |__adult head segment(+) 7714 rec.
                                                 |   |__embryonic head segment(+) 438 rec.
                                                 |   |__gnathal segment(+) 1199 rec.
                                                 |   |__larval head segment(+) 1084 rec.
                                                 |   |__procephalic segment(+) 8505 rec.
                                                 |__head sensillum 7343 rec.
                                                 |   |__adult head sensillum(+) 7179 rec.
                                                 |   |__embryonic/larval head sensillum(+) 244 rec.
                                                 |   |__labial sensillum(+) 233 rec.
                                                 |__larval head 5243 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(+) 3394 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
Spanning Tree View Settings
Parents/Children
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Is a tagma
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Synonyms
Secondary IDs
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UBERON:6000004