test
node1
GO:0023052
signaling
node2
GO:0007267
cell-cell signaling
node1->node2
node13
GO:0099536
synaptic signaling
node2->node13
node3
BFO:0000001
entity
node4
BFO:0000003
occurrent
node3->node4
node4->node4
node14
BFO:0000015
process
node4->node14
node5
GO:0005575
cellular_component
node6
GO:0110165
cellular anatomical
entity
node5->node6
node17
GO:0030054
cell junction
node6->node17
node7
GO:0008150
biological_process
node8
GO:0009987
cellular process
node7->node8
node11
GO:0050789
regulation of
biological process
node7->node11
node15
GO:0065007
biological regulation
node7->node15
node12
GO:0007154
cell communication
node8->node12
node9
GO:0099537
trans-synaptic
signaling
node10
GO:0098916
anterograde
trans-synaptic
signaling
node9->node10
node18
GO:0007268
chemical synaptic
transmission
node10->node18
node11->node1
node12->node2
node13->node9
node14->node7
node15->node11
node16
GO:0045202
synapse
node16->node13
node17->node16