Human Phenotype Ontology 
Grandparent Node:
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Abnormality of the proximal phalanx of the thumb (HP:0009618)help
Grandparent Node:
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Symphalangism of middle phalanx of finger (HP:0009849)help
Parent Node:
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Metacarpophalangeal synostosis (HP:0005880)help
Parent Node:
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Proximal symphalangism of hands (HP:0006152)help
Parent Node:
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Synostosis involving the 1st metacarpal (HP:0009703)help
Parent Node:
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Synostosis of thumb phalanx (HP:0009635)help
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Synostosis of the proximal phalanx of the thumb with the 1st metacarpal (HP:0009640)help
Term ID: 9640
Name: Synostosis of the proximal phalanx of the thumb with the 1st metacarpal
Synonym: Ankylosis of the metacarpophalangeal joint of the thumb; Fusion of the innermost bone of the thumb with the 1st long bone of hand
Definition: Fusion of the proximal phalanx of the thumb with the 1st metacarpal.
Comments:
Reference: HP:0009640
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandSymphalangism of the thumb (HP:0009656) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0009640HP:0009640Synostosis of the proximal phalanx of the thumb with the 1st metacarpal0NONO CL E G H48417871OMIM:300967MENTAL RETARDATION, X-LINKED, SYNDROMIC 34; MRXS3410
HP:0009640HP:0009640Synostosis of the proximal phalanx of the thumb with the 1st metacarpal0PQBP1 CL E G H100849330OMIM:309500Renpenning syndrome.28


Genes (2) :NONO PQBP1

Diseases (2) :OMIM:300967 OMIM:309500
 

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