Human Phenotype Ontology 
Grandparent Node:
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Hand polydactyly (HP:0001161)help
Grandparent Node:
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Mesoaxial polydactyly (HP:0100260)help
Parent Node:
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Abnormal 4th finger morphology (HP:0004188)help
Parent Node:
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Mesoaxial hand polydactyly (HP:0006159)help
..Starting node
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Polydactyly affecting the 4th finger (HP:0009971)help
Term ID: 9971
Name: Polydactyly affecting the 4th finger
Synonym: Extra ring finger
Definition:
Comments:
Reference: HP:0009971
Genes and Diseases:
 
       Child Nodes:
........expandDuplication of phalanx of 4th finger (HP:0009972) help
................... HP:0009973 Complete duplication of the phalanges of the 4th finger
................... HP:0009974 Partial duplication of the phalanges of the 4th finger
................... HP:0009975 Duplication of the distal phalanx of the 4th finger
................... HP:0009976 Duplication of the middle phalanx of the 4th finger
................... HP:0009977 Duplication of the proximal phalanx of the 4th finger

 Sister Nodes: 
..expandPolydactyly affecting the 2nd finger (HP:0009946) help
..expandPolydactyly affecting the 3rd finger (HP:0009958) help


Genes (1) :GLI3

Diseases (1) :ORPHA:672
 

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