Human Phenotype Ontology 
Grandparent Node:
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Inappropriate behavior (HP:0000719)help
Parent Node:
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Inappropriate laughter (HP:0000748)help
..Starting node
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Paroxysmal bursts of laughter (HP:0000749)help
Term ID: 749
Name: Paroxysmal bursts of laughter
Synonym: Paroxysmal laughter
Definition:
Comments:
Reference: HP:0000749
Genes and Diseases:
 
       Child Nodes:

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Genes (9) :ATRX GLI3 GRIK2 HSD17B10 MBD5 NTNG2 SNRPN UBE3A WDR4

Diseases (8) :OMIM:309580 ORPHA:672 OMIM:619580 ORPHA:391428 ORPHA:228402 OMIM:618718 OMIM:105830 OMIM:618347
 

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