test
node1
GO:0007275
multicellular
organism development
node2
GO:0048731
system development
node1->node2
node17
GO:0035295
tube development
node1->node17
node3
GO:0035272
exocrine system
development
node2->node3
node16
GO:0007431
salivary gland
development
node3->node16
node4
GO:0009653
anatomical structure
morphogenesis
node5
GO:0035239
tube morphogenesis
node4->node5
node9
GO:0009887
animal organ
morphogenesis
node4->node9
node18
GO:0048646
anatomical structure
formation involved in
morphogenesis
node4->node18
node19
GO:0035148
tube formation
node5->node19
node6
GO:0032502
developmental process
node6->node4
node7
GO:0048856
anatomical structure
development
node6->node7
node6->node18
node7->node1
node7->node2
node7->node4
node14
GO:0048513
animal organ
development
node7->node14
node7->node17
node8
GO:0008150
biological_process
node8->node6
node11
GO:0032501
multicellular
organismal process
node8->node11
node10
GO:0022612
gland morphogenesis
node9->node10
node12
GO:0007435
salivary gland
morphogenesis
node10->node12
node11->node1
node13
GO:0060662
salivary gland
cavitation
node12->node13
node14->node9
node15
GO:0048732
gland development
node14->node15
node15->node10
node15->node16
node16->node12
node17->node5
node18->node19
node20
GO:0060605
tube lumen cavitation
node19->node20
node20->node13
node21
BFO:0000003
occurrent
node21->node21
node23
BFO:0000015
process
node21->node23
node22
BFO:0000001
entity
node22->node21
node23->node8