epiphysis [FBbt_00007281]
Paired compound sense organ of the labral complex in the larval head. It consists of 6 sensilla in the larval pharynx: one tri-dendritic, 2 bi-dendritic and 3 mono-dendritic. Projections from the epiphysis generally, though not exclusively, target the contralateral subesophageal ganglion area 1 (Colomb et al., 2007). Colomb et al., (2007) report that labral nerve projections pass through area 2 and into area 1 of the subesophageal ganglion. In the majority of cases they then target the contralateral area 2. An exception to this is one epiphysis fiber (which labels with Gr2a-GAL4) which targets inside area 4.
Note
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}
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