FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term embryonic/larval posterior superior medial protocerebrum ID (Ontology) FBbt:00007066 (Fly Anatomy)
Definition A synaptic neuropil subdomain of the larval brain that is located posterior and dorsal to the medial lobe of the mushroom body and which is separated from the anterior superior medial protocerebrum by a neuropil glial sheath slightly posterior to the vertical lobe of the mushroom body. Axons from this compartment converge with those from part of the clamp (CPL) to form the posterior transverse tract (PTT). It is the larval counterpart of the adult posterior superior medial protocerebrum.[ FlyBase:FBrf0155900 FlyBase:FBrf0211016 ]
Also Known As "dorso-posterior synaptic neuropil domain" ; "dorsoposterior compartment" ; "DP" (for all, see Synonyms field below)
Comment Developmental relation to adult synaptic neuropil domains comes from a personal communication from Volker Hartenstein. Note - description of relative location of brain structures in this definition is based on Younossi-Hartenstein et al., 2003 description of the first instar larval brain and Pereanu et al., 2010 third instar larval brain.
Links to External Ontologies
VFB:FBbt_00007066
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
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 Insertions
 embryonic/larval posterior superior medial protocerebrum (all annotations which use CV term, excluding "NOT" statements)       1
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multi-cell-component structure__
synaptic neuropil_______________|
                                synaptic neuropil subdomain
                                 |__embryonic/larval posterior superior medial protocerebrum  1 rec.
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Is a synaptic neuropil subdomain
Part of embryonic/larval superior medial protocerebrum
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VFB:FBbt_00007066