Human Phenotype Ontology 
Grandparent Node:
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Abnormal 3rd finger morphology (HP:0004150)help
Grandparent Node:
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Aplasia/Hypoplasia of fingers (HP:0006265)help
Parent Node:
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Aplasia of the fingers (HP:0009380)help
Parent Node:
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Aplasia/Hypoplasia of the 3rd finger (HP:0009318)help
..Starting node
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Aplasia of the 3rd finger (HP:0009460)help
Term ID: 9460
Name: Aplasia of the 3rd finger
Synonym: Absent middle finger
Definition: Absent 3rd finger.
Comments:
Reference: HP:0009460
Genes and Diseases:
 
       Child Nodes:
........expandAplasia of the distal phalanx of the 3rd finger (HP:0009429) help
........expandAbsent middle phalanx of 3rd finger (HP:0009438) help
........expandAplasia of the proximal phalanx of the 3rd finger (HP:0009458) help

 Sister Nodes: 
..expandShort 3rd finger (HP:0009461) help


Genes (3) :EN1 NSDHL TBX3

Diseases (3) :OMIM:619218 OMIM:308050 OMIM:181450
 

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