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.
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VFB Content Report 2026-06-22

Report of content found at http://pdb.virtualflybrain.org on Mon, 22 Jun 2026 20:50:47

Ontology Content

Anatomy Classes Publications
All Terms 28772 2224
All Nervous System Parts 21825 1682
All Neurons 18303 1298
Characterised Neurons 6895 1291
Provisional Neurons 11408 40
All Nervous System Regions 1435 271
Synaptic Neuropils 625 151
Neuron Projection Bundles 600 142
Cell Body Rinds 132 11
Sense Organs 854 183

155171 formal assertions, of which 69533 are SubClassOf assertions and 85638 are other relationship types

140994 formal assertions on nervous system components, of which 61384 are SubClassOf assertions and 79610 are other relationship types

Image Content (excludes hemibrain v1.0.1)

608512 total images from 136 datasets 521957 single neuron images of 14363 cell types 46896 images of expression patterns of 17593 drivers 5947 images of expression patterns of 1296 split combinations 63301 images of expression pattern fragments of 5556 drivers

Expression Annotations

92414 annotations recording 3199 types of anatomical structure that 12567 specific driver lines are expressed in. 85294 annotations recording 2419 parts of the nervous system that 11507 specific driver lines are expressed in. 10525 annotations recording 1676 types of neuron that 2908 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) 488111 Any neuron (individuals) 488111 34715655
Any neuron (individuals) 22590 Region (individuals) 218 299710
Any neuron (classes) 3209 Muscle (classes) 243 4422
Any neuron (classes) 785 Sense organ (classes) 434 535
EM Project Neurons Synapses Edges
male_cns_v0_9 164179 110803062 14939685
flywire783 139255 46996837 7595968
BANC626 80003 13329903 1616169
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 5601 286949 35542
catmaid_l1em 5019 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 91 507437 449193 285936 33370 3347 40782 46
JRC2018UnisexVNC 44 134126 114278 49748 9429 1740 10399 21
L1 larval CNS ssTEM - Cardona/Janelia 26 5019 5019 5019 0 0 0 0
adult brain template JFRC2 21 41939 16419 0 25271 600 16127 58
adult VNS template - Court2018 9 3194 1 0 3171 480 0 21
L3 CNS template - Wood2018 4 12876 8638 0 381 381 12177 255
Adult T1 Leg (Kuan2020) 2 678 464 0 0 0 0 4
JRC_FlyEM_Hemibrain 2 22702 22589 22587 0 0 0 114
Adult Head (McKellar2020) 1 18 0 0 0 0 0 0
adult brain template Ito2014 1 75 1 0 0 0 0 75

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.