FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term postgenal trichoid sensillum ID (Ontology) FBbt:00004170 (Fly Anatomy)
Definition Trichoid sensillum of the postgena of the adult head, located in the medial region, ventral to the premandibular bristles (Haynie and Bryant, 1986). There are approximately six of these on each side (Haynie and Bryant, 1986).[ FlyBase:FBrf0031004 FlyBase:FBrf0044923 ]
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VFB:FBbt_00004170
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 postgenal trichoid sensillum (all annotations which use CV term, excluding "NOT" statements)
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adult head bristle
 |__ventral occipital bristle__
sclerite                       |
 |__postgena___________________|
adult head capsule             |
 |__postgena___________________|
eo-type sensillum              |
 |__trichoid sensillum_________|
                               postgenal trichoid sensillum  3 rec.
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Is a trichoid sensillum
ventral occipital bristle
Develops from presumptive postgenal sensillum
Part of postgena
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VFB:FBbt_00004170