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 2026-03-23

Report of content found at http://pdb.virtualflybrain.org on Mon, 23 Mar 2026 11:00:51

Ontology Content

Anatomy Classes Publications
All Terms 28729 2221
All Nervous System Parts 21783 1679
All Neurons 18263 1295
Characterised Neurons 6855 1290
Provisional Neurons 11408 38
All Nervous System Regions 1434 266
Synaptic Neuropils 625 146
Neuron Projection Bundles 599 137
Cell Body Rinds 132 8
Sense Organs 853 179

154116 formal assertions, of which 69597 are SubClassOf assertions and 84519 are other relationship types

139940 formal assertions on nervous system components, of which 61449 are SubClassOf assertions and 78491 are other relationship types

Image Content (excludes hemibrain v1.0.1)

602653 total images from 131 datasets 517896 single neuron images of 14344 cell types 46002 images of expression patterns of 17450 drivers 5053 images of expression patterns of 1153 split combinations 62396 images of expression pattern fragments of 5365 drivers

Annotations

93990 annotations recording 3294 types of anatomical structure that 12890 specific driver lines are expressed in. 85996 annotations recording 2455 parts of the nervous system that 11690 specific driver lines are expressed in. 10795 annotations recording 1678 types of neuron that 3035 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 40 99890 80342 49748 9277 1588 10251 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 86 505938 449193 285936 32628 2605 40025 46
L3 CNS template - Wood2018 4 12876 8638 0 381 381 12177 255