FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term embryonic/larval cervical connective ID (Ontology) FBbt:00001922 (Fly Anatomy)
Definition Longitudinal connective of the embryonic/larval nervous system that forms the anterior continuation of several tracts of the ventral nerve cord into the brain after they anastomose in the subesophageal ganglion (Nassif et al., 1998; Hartenstein et al., 2015). It is composed of three tracts; the lateral, posterior and medial cervical tracts (Nassif et al., 1998; Hartenstein et al., 2015). Dorsally, after passing the foregut, it branches into the supraesophageal commissure and protocerebral connective (Nassif et al., 1998). The antennal nerve and the frontal connective branch off the cervical connective in the deutocerebrum (Nassif et al., 1998).[ FlyBase:FBrf0105282 FlyBase:FBrf0229672 ]
Also Known As"ccn" ; "larval cervical connective"
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VFB:FBbt_00001922
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 embryonic/larval cervical connective (all annotations which use CV term, excluding "NOT" statements)
     embryonic/larval cervical connective | embryonic stage
     embryonic/larval cervical connective | embryonic stage 15
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larval nervous system
 |__larval central nervous system__
central nervous system             |
 |__larval central nervous system__|
fascicle                           |
 |__connective_____________________|
                                   embryonic/larval cervical connective  10 rec.
                                    |__lateral cervical tract 5 rec.
                                    |__medial cervical tract
                                    |__posterior cervical tract
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Is a connective
Part of larval central nervous system
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VFB:FBbt_00001922