Human Phenotype Ontology 
Grandparent Node:
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Synostosis involving bones of the feet (HP:0009140)help
Grandparent Node:
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Synostosis involving digits (HP:0100262)help
Parent Node:
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Abnormal morphology of phalanx of the 2nd toe (HP:0010324)help
Parent Node:
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Symphalangism affecting the phalanges of the toes (HP:0010179)help
Parent Node:
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Synostosis involving bones of the toes (HP:0100235)help
..Starting node
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Second toe symphalangism (HP:0010353)help
Term ID: 10353
Name: Second toe symphalangism
Synonym: 2nd toe symphalangism; Fused bones of 2nd toe; Symphalangism affecting the phalanges of the 2nd toe
Definition: Fusion of the interphalangeal joints of the 2nd toe.
Comments:
Reference: HP:0010353
Genes and Diseases:
 
       Child Nodes:
........expandSymphalangism affecting the proximal phalanx of the 2nd toe (HP:0010401) help
................... HP:0100483 Symphalangism of the proximal phalanx of the 2nd toe with the 2nd metatarsal
................... HP:0100489 Proximal/middle symphalangism of 2nd toe
........expandSymphalangism affecting the middle phalanx of the 2nd toe (HP:0010410) help
................... HP:0010419 Symphalangism affecting the distal phalanx of the 2nd toe
................... HP:0100489 Proximal/middle symphalangism of 2nd toe

 Sister Nodes: 
..expandDistal foot symphalangism (HP:0001859) help
..expandProximal foot symphalangism (HP:0100237) help
..expandSymphalangism affecting the phalanges of the 3rd toe (HP:0010365) help
..expandSymphalangism affecting the phalanges of the 4th toe (HP:0010377) help
..expandSymphalangism affecting the phalanges of the 5th toe (HP:0010389) help
..expandSymphalangism affecting the phalanges of the hallux (HP:0010064) help


Genes (1) :MAP3K20

Diseases (1) :ORPHA:488232
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.