Human Phenotype Ontology 
Grandparent Node:
Action tremor (HP:0002345)help
Parent Node:
Abnormal head movements (HP:0002457)help
Parent Node:
Head tremor (HP:0002346)help
Parent Node:
Titubation (HP:0030187)help
..Starting node
Head titubation (HP:0002599)help
Term ID: 2599
Name: Head titubation
Definition: A head tremor of moderate speed (3 to 4 Hz) in the anterior-posterior direction.
Reference: HP:0002599
Genes and Diseases:
       Child Nodes:

 Sister Nodes: 
..expandTruncal titubation (HP:0030147) help
InputHPO IDHPO termDistanceGeneGene id entrezDiseaseIdDiseaseNameDiseaseMIMConceptIDSourceTypical associationHGMD variantsClinVar variantsHGNC IDGeneMIM
HPO disease - gene - phenotype typical associations:
HP:0002599HP:0002599Head titubation0GJC2 CL E G H57165608804Leukodystrophy, hypomyelinating, 2608804C1837355OMIM125017494608803
HP:0002599HP:0002599Head titubation0KIF1C CL E G H10749611302Ataxia, spastic, 2, autosomal recessive611302C1969796OMIM13666317603060
HP:0002599HP:0002599Head titubation0NKX6-2 CL E G H84504527497ORPHA117219321605955
HP:0002599HP:0002599Head titubation0PLP1 CL E G H5354312080Pelizaeus-Merzbacher disease312080C0205711OMIM13919086300401
HP:0002599HP:0002599Head titubation0UCHL1 CL E G H7345615491Spastic paraplegia 79, autosomal recessive615491C3809665OMIM111112513191342
HPO disease - gene - phenotype less frequent non-typical associations:

Genes (5) :GJC2 KIF1C NKX6-2 PLP1 UCHL1

Diseases (5) :608804 611302 527497 312080 615491

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is August 2021 release.