Human Phenotype Ontology 
Grandparent Node:
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Synostosis of joints (HP:0100240)help
Grandparent Node:
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Vertebral segmentation defect (HP:0003422)help
Parent Node:
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Vertebral fusion (HP:0002948)help
..Starting node
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Fused cervical vertebrae (HP:0002949)help
Term ID: 2949
Name: Fused cervical vertebrae
Synonym: Cervical spine fusion; Cervical vertebral fusion; Fused neck; Fusion of cervical vertebrae
Definition: A congenital anomaly characterized by a joining (fusion) of two or more cervical vertebral bodies with one another.
Comments:
Reference: HP:0002949
Genes and Diseases:
 
       Child Nodes:
........expandFusion of midcervical facet joints (HP:0004575) help
........expandCervical C2/C3 vertebral fusion (HP:0004602) help
........expandCervical C5/C6 vertebrae fusion (HP:0004635) help
........expandProgressive cervical vertebral spine fusion (HP:0008449) help
........expandCervical C3/C4 vertebral fusion (HP:0030281) help

 Sister Nodes: 
..expandAbnormal vertebral segmentation and fusion (HP:0005640) help
..expandAnterior vertebral fusion (HP:0004557) help
..expandBlock vertebrae (HP:0003305) help
..expandFused lumbar vertebrae (HP:0030040) help
..expandFused thoracic vertebrae (HP:0030039) help
..expandPosterior fusion of lumbosacral vertebrae (HP:0005626) help
..expandSacralization of the fifth lumbar vertebra (HP:0030125) 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:0002949HP:0002949Fused cervical vertebrae0ABCC6 CL E G H36857ORPHA:51608Generalized arterial calcification of infancyHP:0040283 - Occasional415
HP:0002949HP:0002949Fused cervical vertebrae0ACVR1 CL E G H90171OMIM:135100Fibrodysplasia ossificans progressiva49
HP:0002949HP:0002949Fused cervical vertebrae0AEBP1 CL E G H165303OMIM:618000Ehlers-Danlos syndrome, classic-like, 2
HP:0002949HP:0002949Fused cervical vertebrae0AFF4 CL E G H2712517869OMIM:616368CHOPS syndrome6
HP:0002949HP:0002949Fused cervical vertebrae0AFF4 CL E G H2712517869ORPHA:444077Cognitive impairment-coarse facies-heart defects-obesity-pulmonary involvement-short stature-skeletal dysplasia syndrome6
HP:0002949HP:0002949Fused cervical vertebrae0ASH1L CL E G H5587019088OMIM:617796Mental retardation, autosomal dominant 521
HP:0002949HP:0002949Fused cervical vertebrae0ASXL2 CL E G H5525223805OMIM:617190Shashi-Pena syndrome7
HP:0002949HP:0002949Fused cervical vertebrae0CDH11 CL E G H10091750OMIM:211380Elsahy-Waters syndrome2
HP:0002949HP:0002949Fused cervical vertebrae0CHD4 CL E G H11081919OMIM:617159Sifrim-Hitz-Weiss syndrome14
HP:0002949HP:0002949Fused cervical vertebrae0CHRNG CL E G H11461967OMIM:265000Multiple pterygium syndrome, escobar variant.68
HP:0002949HP:0002949Fused cervical vertebrae0COL2A1 CL E G H12802200ORPHA:485Kniest dysplasiaHP:0040283 - Occasional284
HP:0002949HP:0002949Fused cervical vertebrae0DCC CL E G H16302701ORPHA:238722Familial congenital mirror movementsHP:0040284 - Very rare36
HP:0002949HP:0002949Fused cervical vertebrae0DKK1 CL E G H229432891ORPHA:268882Arnold-Chiari malformation type IHP:0040282 - Frequent
HP:0002949HP:0002949Fused cervical vertebrae0DNAL4 CL E G H101262955ORPHA:238722Familial congenital mirror movementsHP:0040284 - Very rare2
HP:0002949HP:0002949Fused cervical vertebrae0ENPP1 CL E G H51673356ORPHA:51608Generalized arterial calcification of infancyHP:0040283 - Occasional151
HP:0002949HP:0002949Fused cervical vertebrae0FANCI CL E G H5521525568OMIM:609053Fanconi anemia, complementation group I.157
HP:0002949HP:0002949Fused cervical vertebrae0FGFR2 CL E G H22633689OMIM:101200Apert syndrome175
HP:0002949HP:0002949Fused cervical vertebrae0FGFR2 CL E G H22633689ORPHA:87Apert syndrome175
HP:0002949HP:0002949Fused cervical vertebrae0FLNA CL E G H23163754ORPHA:1826Frontometaphyseal dysplasiaHP:0040282 - Frequent493
HP:0002949HP:0002949Fused cervical vertebrae0FLNA CL E G H23163754OMIM:305620Frontometaphyseal dysplasia.493
HP:0002949HP:0002949Fused cervical vertebrae0FLNB CL E G H23173755OMIM:108720Atelosteogenesis, type I.233
HP:0002949HP:0002949Fused cervical vertebrae0GDF3 CL E G H95734218ORPHA:2345Isolated Klippel-Feil syndrome7
HP:0002949HP:0002949Fused cervical vertebrae0GDF3 CL E G H95734218OMIM:613702Klippel-Feil syndrome 3, autosomal dominant7
HP:0002949HP:0002949Fused cervical vertebrae0GDF6 CL E G H3922554221ORPHA:2345Isolated Klippel-Feil syndrome64
HP:0002949HP:0002949Fused cervical vertebrae0GDF6 CL E G H3922554221OMIM:118100Klippel-Feil syndrome 1, autosomal dominant64
HP:0002949HP:0002949Fused cervical vertebrae0IL1RN CL E G H35576000OMIM:612852Interleukin 1 receptor antagonist deficiency40
HP:0002949HP:0002949Fused cervical vertebrae0MAP3K7 CL E G H68856859OMIM:157800Cardiospondylocarpofacial syndrome.11
HP:0002949HP:0002949Fused cervical vertebrae0MAP3K7 CL E G H68856859ORPHA:1826Frontometaphyseal dysplasiaHP:0040282 - Frequent11
HP:0002949HP:0002949Fused cervical vertebrae0MAP3K7 CL E G H68856859OMIM:617137Frontometaphyseal dysplasia 2.11
HP:0002949HP:0002949Fused cervical vertebrae0MEOX1 CL E G H42227013ORPHA:2345Isolated Klippel-Feil syndrome5
HP:0002949HP:0002949Fused cervical vertebrae0MEOX1 CL E G H42227013OMIM:214300Klippel-Feil syndrome, autosomal recessive.5
HP:0002949HP:0002949Fused cervical vertebrae0MYH3 CL E G H46217573OMIM:618469CONTRACTURES, PTERYGIA, AND SPONDYLOCARPOTARSAL FUSION SYNDROME 1B; CPSFS1B166
HP:0002949HP:0002949Fused cervical vertebrae0MYO18B CL E G H8470018150OMIM:616549Klippel-Feil syndrome 4, autosomal recessive, with myopathy and facial dysmorphism5
HP:0002949HP:0002949Fused cervical vertebrae0NOG CL E G H92417866OMIM:184460Stapes ankylosis with broad thumb and toes22
HP:0002949HP:0002949Fused cervical vertebrae0NTN1 CL E G H94238029ORPHA:238722Familial congenital mirror movementsHP:0040284 - Very rare
HP:0002949HP:0002949Fused cervical vertebrae0PUF60 CL E G H2282717042ORPHA:508498Intellectual disability-cardiac anomalies-short stature-joint laxity syndromeHP:0040283 - Occasional19
HP:0002949HP:0002949Fused cervical vertebrae0RAD51 CL E G H58889817ORPHA:238722Familial congenital mirror movementsHP:0040284 - Very rare9
HP:0002949HP:0002949Fused cervical vertebrae0RBM8A CL E G H99399905ORPHA:3320Thrombocytopenia-absent radius syndromeHP:0040283 - Occasional10
HP:0002949HP:0002949Fused cervical vertebrae0RBM8A CL E G H99399905OMIM:274000Thrombocytopenia-absent radius syndrome10
HP:0002949HP:0002949Fused cervical vertebrae0SALL4 CL E G H5716715924OMIM:607323Duane-Radial ray syndrome.86
HP:0002949HP:0002949Fused cervical vertebrae0WBP11 CL E G H5172916461OMIM:619227VERTEBRAL, CARDIAC, TRACHEOESOPHAGEAL, RENAL, AND LIMB DEFECTS; VCTERL
HP:0002949HP:0004575Fusion of midcervical facet joints1 CL E G H
HP:0002949HP:0008449Progressive cervical vertebral spine fusion1ACVR1 CL E G H90171OMIM:135100Fibrodysplasia ossificans progressiva.49
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1AEBP1 CL E G H165303OMIM:618000Ehlers-Danlos syndrome, classic-like, 2
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1AFF4 CL E G H2712517869OMIM:616368CHOPS syndrome6
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1AFF4 CL E G H2712517869ORPHA:444077Cognitive impairment-coarse facies-heart defects-obesity-pulmonary involvement-short stature-skeletal dysplasia syndromeHP:0040283 - Occasional6
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1ASH1L CL E G H5587019088OMIM:617796Mental retardation, autosomal dominant 521
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1ASXL2 CL E G H5525223805OMIM:617190Shashi-Pena syndrome7
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1CDH11 CL E G H10091750OMIM:211380Elsahy-Waters syndrome2
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1DKK1 CL E G H229432891ORPHA:268882Arnold-Chiari malformation type IHP:0040282 - Frequent
HP:0002949HP:0004635Cervical C5/C6 vertebrae fusion1FGFR2 CL E G H22633689OMIM:101200Apert syndrome.175
HP:0002949HP:0004635Cervical C5/C6 vertebrae fusion1FGFR2 CL E G H22633689ORPHA:87Apert syndromeHP:0040282 - Frequent175
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1FLNA CL E G H23163754OMIM:305620Frontometaphyseal dysplasia493
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1GDF3 CL E G H95734218ORPHA:2345Isolated Klippel-Feil syndromeHP:0040281 - Very frequent7
HP:0002949HP:0004635Cervical C5/C6 vertebrae fusion1GDF3 CL E G H95734218OMIM:613702Klippel-Feil syndrome 3, autosomal dominant.7
HP:0002949HP:0030281Cervical C3/C4 vertebral fusion1GDF3 CL E G H95734218OMIM:613702Klippel-Feil syndrome 3, autosomal dominant7
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1GDF6 CL E G H3922554221ORPHA:2345Isolated Klippel-Feil syndromeHP:0040281 - Very frequent64
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1GDF6 CL E G H3922554221OMIM:118100Klippel-Feil syndrome 1, autosomal dominant64
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1MEOX1 CL E G H42227013ORPHA:2345Isolated Klippel-Feil syndromeHP:0040281 - Very frequent5
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1MEOX1 CL E G H42227013OMIM:214300Klippel-Feil syndrome, autosomal recessive.5
HP:0002949HP:0004602Cervical C2/C3 vertebral fusion1MYO18B CL E G H8470018150OMIM:616549Klippel-Feil syndrome 4, autosomal recessive, with myopathy and facial dysmorphism5


Genes (32) :ABCC6 ACVR1 AEBP1 AFF4 ASH1L ASXL2 CDH11 CHD4 CHRNG COL2A1 DCC DKK1 DNAL4 ENPP1 FANCI FGFR2 FLNA FLNB GDF3 GDF6 IL1RN MAP3K7 MEOX1 MYH3 MYO18B NOG NTN1 PUF60 RAD51 RBM8A SALL4 WBP11

Diseases (34) :ORPHA:51608 OMIM:135100 OMIM:618000 OMIM:616368 ORPHA:444077 OMIM:617796 OMIM:617190 OMIM:211380 OMIM:617159 OMIM:265000 ORPHA:485 ORPHA:238722 ORPHA:268882 OMIM:609053 OMIM:101200 ORPHA:87 ORPHA:1826 OMIM:305620 OMIM:108720 ORPHA:2345 OMIM:613702 OMIM:118100 OMIM:612852 OMIM:157800 OMIM:617137 OMIM:214300 OMIM:618469 OMIM:616549 OMIM:184460 ORPHA:508498 ORPHA:3320 OMIM:274000 OMIM:607323 OMIM:619227
 

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