VFB Content Report
An auto generated report detailing the current types and quantity of images and annotations currently publicly available on VFB. This will update after a new data release.
VFB Content Report 2026-10-15
Report of content found at http://pdb.virtualflybrain.org on Thu, 15 Oct 2026 02:28:46
Ontology Content
| Anatomy | Classes | Publications |
|---|---|---|
| All Terms | 28795 | 2216 |
| All Nervous System Parts | 21845 | 1675 |
| All Neurons | 18304 | 1294 |
| Characterised Neurons | 6896 | 1287 |
| Provisional Neurons | 11408 | 40 |
| All Nervous System Regions | 1435 | 269 |
| Synaptic Neuropils | 625 | 150 |
| Neuron Projection Bundles | 600 | 139 |
| Cell Body Rinds | 132 | 8 |
| Sense Organs | 854 | 178 |
155092 formal assertions, of which 69523 are SubClassOf assertions and 85569 are other relationship types
140916 formal assertions on nervous system components, of which 61371 are SubClassOf assertions and 79545 are other relationship types
Image Content
(excludes hemibrain v1.0.1)
782415 total images from 187 datasets 605872 single neuron images of 14409 cell types 82220 images of expression patterns of 20684 drivers 41271 images of expression patterns of 4387 split combinations 92269 images of expression pattern fragments of 7908 drivers
Expression Annotations
94246 annotations recording 3279 types of anatomical structure that 12963 specific driver lines are expressed in. 86776 annotations recording 2506 parts of the nervous system that 11788 specific driver lines are expressed in. 11141 annotations recording 1746 types of neuron that 3102 specific driver lines are expressed in. 4698 annotations recording 665 types of neuron that 1232 specific split combinations are expressed in.
Connectivity
| Neuron | Number of Neurons | Input/Output Entity | Number of Entities | Connections |
|---|---|---|---|---|
| Any neuron (individuals) | 491070 | Any neuron (individuals) | 491070 | 35190795 |
| Any neuron (individuals) | 400440 | Region (individuals) | 852 | 5061893 |
| Any neuron (classes) | 325 | Muscle (classes) | 228 | 249 |
| Any neuron (classes) | 823 | Sense organ (classes) | 434 | 535 |
| EM Project | Neurons | Synapses | Edges |
|---|---|---|---|
| male_cns_v1_0 | 166693 | 113873724 | 15282714 |
| BANC888 | 145943 | 12087780 | 1387128 |
| flywire783 | 139255 | 46996837 | 7595968 |
| neuprint_JRC_OpticLobe_v1_0_1 | 53402 | 24033343 | 3957844 |
| neuprint_JRC_Manc_1_2_1 | 23665 | 28734247 | 3105275 |
| neuprint_JRC_Hemibrain_1point2point1 | 22705 | 13745258 | 3392973 |
| catmaid_fafb | 5626 | 286949 | 35542 |
| catmaid_l1em | 5045 | 363927 | 72199 |
Content by Template
(excludes hemibrain v1.0.1)
| Template Name | Datasets | Images | Single Neurons | EM Neurons | Full Expression Patterns | Split Expression Patterns | Partial Expression Patterns | Painted domains |
|---|---|---|---|---|---|---|---|---|
| JRC2018Unisex | 141 | 631376 | 522546 | 359277 | 54494 | 24471 | 53381 | 761 |
| JRC2018UnisexVNC | 99 | 191971 | 132748 | 53782 | 23629 | 15940 | 35343 | 249 |
| L1 larval CNS ssTEM - Cardona/Janelia | 27 | 5046 | 5019 | 5019 | 0 | 0 | 0 | 27 |
| adult brain template JFRC2 | 21 | 41939 | 16419 | 0 | 25271 | 600 | 0 | 58 |
| adult VNS template - Court2018 | 9 | 3194 | 1 | 0 | 3171 | 480 | 0 | 21 |
| L3 CNS template - Wood2018 | 4 | 12876 | 8638 | 0 | 381 | 381 | 3602 | 255 |
| JRC_FlyEM_Hemibrain | 2 | 22702 | 22589 | 22587 | 0 | 0 | 0 | 114 |
| Adult T1 Leg (Kuan2020) | 2 | 678 | 464 | 0 | 0 | 0 | 0 | 4 |
| adult brain template Ito2014 | 1 | 75 | 1 | 0 | 0 | 0 | 0 | 75 |
| Adult Head (McKellar2020) | 1 | 18 | 0 | 0 | 0 | 0 | 0 | 0 |
scRNAseq Data
3290 clusters from 24 datasets 345 distinct anatomy (FBbt) annotations on clusters 12761 distinct genes expressed across all clusters
See the scRNAseq dataset report for per-dataset cluster and gene counts.