FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term pars intercerebralis ID (Ontology) FBbt:00005802 (Fly Anatomy)
Definition Cell body rind region that lies in a medial cleft dividing the left and right superior protocerebrum, anterior to the calyces of the mushroom bodies and dorsal to the central complex. It contains numerous large and small somata of neurosecretory and neuromodulatory neurons. In the larva, these neurons are split into bilaterally symmetric clusters on either side of the medial cleft whereas in the adult they are one unpaired cluster (Siegmund and Korge, 2001, Velasco et al., 2007).[ FlyBase:FBrf0134726 FlyBase:FBrf0193772 FlyBase:FBrf0224194 ]
Also Known As "PI"
Comment Ito et al. (2014) may further subdivide cortex/rind regions into multiple facets. Subdivisions should be denoted by the addition of a single letter body-axis direction, e.g. rLHa for anterior to the lateral horn; rSMPm for medial to the superior medial protocerebrum, etc.
Links to External Ontologies
VFB:FBbt_00005802
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
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Insertions Constructs
 pars intercerebralis (all annotations which use CV term, excluding "NOT" statements)       4      2
Spanning Tree (Parents/Children)
Only view relationship:
  multi-cell-component structure
   |__cell body rind region
       |__pars intercerebralis  213 rec.
           |__adult pars intercerebralis 166 rec.
           |__embryonic pars intercerebralis 32 rec.
           |__larval pars intercerebralis 9 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a cell body rind region
Part of brain
hide Synonyms & Secondary IDs
Synonyms
  • "PI" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
UBERON:0001059
VFB:FBbt_00005802