hΔI [FBbt_00052285]

Adult fan-shaped body horizontal delta neuron that innervates layers 4 and 5 with both its arbors, as well as extending its dendritic arbor into layers 2 and 3 (Scheffer et al., 2020; Hulse et al., 2021). There are around 18 of these cells per organism, which divide the fan-shaped body into approximately 12 columns (Hulse et al., 2021).

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hΔI

ID: FBbt_00052285

Adult Nervous system Neuron

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## Classification

adult fan-shaped body horizontal delta neuron

Relationships

receives synaptic input in region: fan-shaped body layer 2, fan-shaped body layer 3, fan-shaped body layer 4, fan-shaped body layer 5
sends synaptic output to region: fan-shaped body layer 4, fan-shaped body layer 5

Alternative Names

Synonym	Scope	Reference
hΔI	exact synonym
hDeltaI	exact synonym	Berg et al., 2025
hDeltaI	exact synonym	Scheffer et al., 2020
FB2,3,4,5D5FB4,5v	exact synonym	Scheffer et al., 2020
hDeltaI	exact synonym	Bates et al., 2025
hDeltaI	exact synonym	Schlegel et al., 2024
hDeltaI	exact synonym

List all available images of hΔI (81 total)

Thumbnail	Name	Tags
	hDeltaI_01_C1 (MaleCNS:515232)	lineage_DM4_CM4, Adult, Cholinergic
	hDeltaI_03_C3 (MaleCNS:529175)	Adult, lineage_DM3_DPMpm2, Cholinergic
	hDeltaI_05_C4 (MaleCNS:126061)	Adult, Cholinergic, lineage_DM2_DPMpm1
	hDeltaI_07_C6 (MaleCNS:13732)	lineage_DM1_DPMm1, Adult, Cholinergic
	hDeltaI_11_C9 (MaleCNS:79839)	Adult, Cholinergic, lineage_DM2_DPMpm1