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 2026-03-08

Report of content found at http://pdb.virtualflybrain.org on Sun, 08 Mar 2026 20:45:14

Ontology Content

Anatomy Classes Publications
All Terms 28729 1981
All Nervous System Parts 21783 1453
All Neurons 18263 1161
Characterised Neurons 6855 1158
Provisional Neurons 11408 31
All Nervous System Regions 1434 261
Synaptic Neuropils 625 145
Neuron Projection Bundles 599 133
Cell Body Rinds 132 8
Sense Organs 853 170

154114 formal assertions, of which 69595 are SubClassOf assertions and 84519 are other relationship types

139939 formal assertions on nervous system components, of which 61448 are SubClassOf assertions and 78491 are other relationship types

Image Content (excludes hemibrain v1.0.1)

608496 total images from 129 datasets 524469 single neuron images of 14346 cell types 45801 images of expression patterns of 17349 drivers 4852 images of expression patterns of 1052 split combinations 61867 images of expression pattern fragments of 5206 drivers

Annotations

95589 annotations recording 3359 types of anatomical structure that 13007 specific driver lines are expressed in. 87629 annotations recording 2537 parts of the nervous system that 11820 specific driver lines are expressed in. 11644 annotations recording 1737 types of neuron that 3183 specific driver lines are expressed in. 4700 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) 324195 Any neuron (individuals) 324195 19775970
Any neuron (individuals) 22590 Region (individuals) 218 299710
Any neuron (classes) 2097 Muscle (classes) 238 2796
Any neuron (classes) 784 Sense organ (classes) 434 536

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
Adult Head (McKellar2020) 1 18 0 0 0 0 0 0
L1 larval CNS ssTEM - Cardona/Janelia 26 5019 5019 5019 0 0 0 0
JRC2018UnisexVNC 37 168140 148615 49748 9258 1569 10247 21
adult brain template Ito2014 1 75 1 0 0 0 0 75
Adult T1 Leg (Kuan2020) 2 678 464 0 0 0 0 4
adult brain template JFRC2 21 41939 16419 0 25271 600 16127 58
adult VNS template - Court2018 9 3194 1 0 3171 480 0 21
JRC_FlyEM_Hemibrain 2 22702 22589 22587 0 0 0 114
JRC2018Unisex 84 525674 469636 285936 32446 2423 39500 46
L3 CNS template - Wood2018 4 12876 8638 0 381 381 12177 255