FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term larval thoracic perisympathetic organ ID (Ontology) FBbt:00003217 (Fly Anatomy)
Definition Neurosecretory organ of a larval thoracic segment, formed by the axons of Tv neurons, wrapped around support cells, forming a compact, globular structure that projects dorsally above the surface of its neuromere (Brown et al., 2006).[ FlyBase:FBrf0190279 FlyBase:FBrf0195119 FlyBase:FBrf0201188 FlyBase:FBrf0214320 ]
Also Known As "larval dorsal neurohemal organ" ; "tPSO"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Insertions Constructs
 larval thoracic perisympathetic organ (all annotations which use CV term, excluding "NOT" statements)
     larval thoracic perisympathetic organ | ectopic
      --       --
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thoracic segment
 |__larval thoracic segment__
larval segment               |
 |__larval thoracic segment__|
larval thorax                |
 |__larval thoracic segment__|
cell cluster organ           |
 |__neurohemal organ_________|
endocrine system component   |
 |__neurohemal organ_________|
gland                        |
 |__neurohemal organ_________|
                             larval thoracic perisympathetic organ  36 rec.
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Is a neurohemal organ
Part of larval thoracic segment
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