Human Phenotype Ontology 
Grandparent Node:
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Aplasia/Hypoplasia of toe (HP:0001991)help
Parent Node:
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Abnormality of the hallux (HP:0001844)help
Parent Node:
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Absent toe (HP:0010760)help
..Starting node
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Aplasia/Hypoplasia of the hallux (HP:0008362)help
Term ID: 8362
Name: Aplasia/Hypoplasia of the hallux
Synonym: Absent/small big toe; Absent/underdeveloped big toe; Aplastic/hypoplastic halluces
Definition: Absence or underdevelopment of the big toe.
Comments:
Reference: HP:0008362
Genes and Diseases:
 
       Child Nodes:
........expandAplasia/Hypoplasia of the phalanges of the hallux (HP:0010058) help
................... HP:0010076 Aplasia/Hypoplasia of the distal phalanx of the hallux
................... HP:0010085 Aplasia/Hypoplasia of the proximal phalanx of the hallux
................... HP:0010110 Aplasia of the phalanges of the hallux
................... HP:0010111 Short phalanx of hallux
........expandShort hallux (HP:0010109) help
................... HP:0010111 Short phalanx of hallux
........expandAbsent hallux (HP:0012386) help

 Sister Nodes: 
..expandAdactyly (HP:0009776) help
..expandAplasia/Hypoplasia of the 2nd toe (HP:0010325) help
..expandAplasia/Hypoplasia of the 3rd toe (HP:0010331) help
..expandAplasia/Hypoplasia of the 4th toe (HP:0010337) help
..expandAplasia/Hypoplasia of the 5th toe (HP:0010343) help
..expandAplasia/Hypoplasia of the distal phalanges of the toes (HP:0010185) help
..expandFoot oligodactyly (HP:0001849) help
..expandPartial absence of toe (HP:0011305) 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:0008362HP:0008362Aplasia/Hypoplasia of the hallux0ABCC9 CL E G H1006060OMIM:239850Hypertrichotic osteochondrodysplasia254
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0ABCC9 CL E G H1006060ORPHA:1517Hypertrichotic osteochondrodysplasia, Cantu type254
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0ACVR1 CL E G H90171ORPHA:337Fibrodysplasia ossificans progressiva49
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0ACVR1 CL E G H90171OMIM:135100Fibrodysplasia ossificans progressiva49
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0BHLHA9 CL E G H72785735126ORPHA:157801Mesoaxial synostotic syndactyly with phalangeal reductionHP:0040281 - Very frequent4
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0BHLHA9 CL E G H72785735126OMIM:609432Syndactyly, mesoaxial synostotic, with phalangeal reduction.4
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0BMP2 CL E G H6501069OMIM:112600Brachydactyly, type A213
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0BMPR1B CL E G H6581077ORPHA:93388Brachydactyly type A190
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0BMPR1B CL E G H6581077OMIM:112600Brachydactyly, type A290
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0CHST11 CL E G H5051517422OMIM:618167Osteochondrodysplasia, brachydactyly, and overlapping malformed digits1
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0CHSY1 CL E G H2285617198ORPHA:363417Temtamy preaxial brachydactyly syndrome16
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0CPLX1 CL E G H108152309ORPHA:280Wolf-Hirschhorn syndrome1
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0CPLX1 CL E G H108152309OMIM:194190Wolf-Hirschhorn syndrome1
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0CTBP1 CL E G H14872494ORPHA:280Wolf-Hirschhorn syndrome2
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0CTBP1 CL E G H14872494OMIM:194190Wolf-Hirschhorn syndrome2
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0EIF4A3 CL E G H977518683OMIM:268305Robin sequence with cleft mandible and limb anomalies4
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FGFR1 CL E G H22603688ORPHA:93258Pfeiffer syndrome type 1172
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FGFR2 CL E G H22633689ORPHA:93258Pfeiffer syndrome type 1175
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FGFR2 CL E G H22633689ORPHA:93259Pfeiffer syndrome type 2175
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FGFR2 CL E G H22633689ORPHA:93260Pfeiffer syndrome type 3175
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FGFRL1 CL E G H538343693OMIM:194190Wolf-Hirschhorn syndrome
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndrome111
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FIG4 CL E G H989616873OMIM:216340Yunis-Varon syndrome.111
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FLNA CL E G H23163754ORPHA:90650Otopalatodigital syndrome type 1493
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FLNA CL E G H23163754ORPHA:90652Otopalatodigital syndrome type 2493
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FLNA CL E G H23163754OMIM:311300Otopalatodigital syndrome, type I493
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0FLNA CL E G H23163754OMIM:304120Otopalatodigital syndrome, type II493
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0GDF5 CL E G H82004220ORPHA:93388Brachydactyly type A152
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0GDF5 CL E G H82004220OMIM:112600Brachydactyly, type A252
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0GJA1 CL E G H26974274ORPHA:2710Oculodentodigital dysplasia68
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0GLI3 CL E G H27374319ORPHA:93322Tibial hemimelia270
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0GPC4 CL E G H22394452ORPHA:2662Keipert syndrome
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0HOXA13 CL E G H32095102OMIM:140000Hand-Foot-Genital syndrome11
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0HOXA13 CL E G H32095102ORPHA:2438Hand-foot-genital syndrome11
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0HOXD13 CL E G H32395136ORPHA:93387Brachydactyly type E25
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0IHH CL E G H35495956ORPHA:93388Brachydactyly type A144
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0IHH CL E G H35495956OMIM:112500Brachydactyly, type A144
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0KAT6A CL E G H799413013OMIM:616268Arboleda-Tham syndrome34
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0KCNJ8 CL E G H37646269ORPHA:1517Hypertrichotic osteochondrodysplasia, Cantu type23
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0LETM1 CL E G H39546556ORPHA:280Wolf-Hirschhorn syndrome2
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0LETM1 CL E G H39546556OMIM:194190Wolf-Hirschhorn syndrome2
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0MAP3K20 CL E G H5177617797ORPHA:488232Split-foot malformation-mesoaxial polydactyly syndrome2
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0MGP CL E G H42567060OMIM:245150Keutel syndrome33
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0NELFA CL E G H746912768ORPHA:280Wolf-Hirschhorn syndrome
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0NOG CL E G H92417866OMIM:186500Multiple synostoses syndrome 122
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0NSD2 CL E G H746812766OMIM:194190Wolf-Hirschhorn syndrome118
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0NSD2 CL E G H746812766ORPHA:280Wolf-Hirschhorn syndrome118
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0PIGG CL E G H5487225985ORPHA:280Wolf-Hirschhorn syndrome7
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0PTHLH CL E G H57449607ORPHA:93387Brachydactyly type E6
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0PUF60 CL E G H2282717042ORPHA:5084888q24.3 microdeletion syndrome19
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0SALL4 CL E G H5716715924ORPHA:959Acro-renal-ocular syndrome86
HP:0008362HP:0008362Aplasia/Hypoplasia of the hallux0VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndrome6
HP:0008362HP:0010109Short hallux1ABCC9 CL E G H1006060OMIM:239850Hypertrichotic osteochondrodysplasia.254
HP:0008362HP:0010109Short hallux1ABCC9 CL E G H1006060ORPHA:1517Hypertrichotic osteochondrodysplasia, Cantu typeHP:0040282 - Frequent254
HP:0008362HP:0010058Aplasia/Hypoplasia of the phalanges of the hallux1ACVR1 CL E G H90171ORPHA:337Fibrodysplasia ossificans progressivaHP:0040282 - Frequent49
HP:0008362HP:0010109Short hallux1ACVR1 CL E G H90171OMIM:135100Fibrodysplasia ossificans progressiva.49
HP:0008362HP:0010109Short hallux1ACVR1 CL E G H90171ORPHA:337Fibrodysplasia ossificans progressivaHP:0040281 - Very frequent49
HP:0008362HP:0010109Short hallux1BHLHA9 CL E G H72785735126ORPHA:157801Mesoaxial synostotic syndactyly with phalangeal reductionHP:0040281 - Very frequent4
HP:0008362HP:0010109Short hallux1BMP2 CL E G H6501069OMIM:112600Brachydactyly, type A2.13
HP:0008362HP:0010109Short hallux1BMPR1B CL E G H6581077ORPHA:93388Brachydactyly type A1HP:0040281 - Very frequent90
HP:0008362HP:0010109Short hallux1BMPR1B CL E G H6581077OMIM:112600Brachydactyly, type A2.90
HP:0008362HP:0010109Short hallux1CHST11 CL E G H5051517422OMIM:618167Osteochondrodysplasia, brachydactyly, and overlapping malformed digits.1
HP:0008362HP:0010109Short hallux1CHSY1 CL E G H2285617198ORPHA:363417Temtamy preaxial brachydactyly syndromeHP:0040283 - Occasional16
HP:0008362HP:0010109Short hallux1CPLX1 CL E G H108152309ORPHA:280Wolf-Hirschhorn syndromeHP:0040282 - Frequent1
HP:0008362HP:0010109Short hallux1CPLX1 CL E G H108152309OMIM:194190Wolf-Hirschhorn syndrome1
HP:0008362HP:0010109Short hallux1CTBP1 CL E G H14872494OMIM:194190Wolf-Hirschhorn syndrome2
HP:0008362HP:0010109Short hallux1CTBP1 CL E G H14872494ORPHA:280Wolf-Hirschhorn syndromeHP:0040282 - Frequent2
HP:0008362HP:0010109Short hallux1EIF4A3 CL E G H977518683OMIM:268305Robin sequence with cleft mandible and limb anomalies4
HP:0008362HP:0010109Short hallux1FGFR1 CL E G H22603688ORPHA:93258Pfeiffer syndrome type 1HP:0040281 - Very frequent172
HP:0008362HP:0010109Short hallux1FGFR2 CL E G H22633689ORPHA:93258Pfeiffer syndrome type 1HP:0040281 - Very frequent175
HP:0008362HP:0010109Short hallux1FGFR2 CL E G H22633689ORPHA:93259Pfeiffer syndrome type 2HP:0040281 - Very frequent175
HP:0008362HP:0010109Short hallux1FGFR2 CL E G H22633689ORPHA:93260Pfeiffer syndrome type 3HP:0040281 - Very frequent175
HP:0008362HP:0010109Short hallux1FGFRL1 CL E G H538343693OMIM:194190Wolf-Hirschhorn syndrome
HP:0008362HP:0010109Short hallux1FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndrome111
HP:0008362HP:0010058Aplasia/Hypoplasia of the phalanges of the hallux1FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndrome111
HP:0008362HP:0012386Absent hallux1FIG4 CL E G H989616873OMIM:216340Yunis-Varon syndrome111
HP:0008362HP:0010109Short hallux1FLNA CL E G H23163754ORPHA:90650Otopalatodigital syndrome type 1HP:0040281 - Very frequent493
HP:0008362HP:0010109Short hallux1FLNA CL E G H23163754ORPHA:90652Otopalatodigital syndrome type 2HP:0040281 - Very frequent493
HP:0008362HP:0010109Short hallux1FLNA CL E G H23163754OMIM:311300Otopalatodigital syndrome, type I.493
HP:0008362HP:0010109Short hallux1FLNA CL E G H23163754OMIM:304120Otopalatodigital syndrome, type II.493
HP:0008362HP:0010109Short hallux1GDF5 CL E G H82004220ORPHA:93388Brachydactyly type A1HP:0040281 - Very frequent52
HP:0008362HP:0010109Short hallux1GDF5 CL E G H82004220OMIM:112600Brachydactyly, type A2.52
HP:0008362HP:0010109Short hallux1GJA1 CL E G H26974274ORPHA:2710Oculodentodigital dysplasiaHP:0040283 - Occasional68
HP:0008362HP:0012386Absent hallux1GLI3 CL E G H27374319ORPHA:93322Tibial hemimeliaHP:0040283 - Occasional270
HP:0008362HP:0010109Short hallux1GPC4 CL E G H22394452ORPHA:2662Keipert syndromeHP:0040281 - Very frequent
HP:0008362HP:0010109Short hallux1HOXA13 CL E G H32095102OMIM:140000Hand-Foot-Genital syndrome.11
HP:0008362HP:0010109Short hallux1HOXA13 CL E G H32095102ORPHA:2438Hand-foot-genital syndromeHP:0040281 - Very frequent11
HP:0008362HP:0010058Aplasia/Hypoplasia of the phalanges of the hallux1HOXD13 CL E G H32395136ORPHA:93387Brachydactyly type E25
HP:0008362HP:0010109Short hallux1IHH CL E G H35495956ORPHA:93388Brachydactyly type A1HP:0040281 - Very frequent44
HP:0008362HP:0010109Short hallux1IHH CL E G H35495956OMIM:112500Brachydactyly, type A144
HP:0008362HP:0010058Aplasia/Hypoplasia of the phalanges of the hallux1IHH CL E G H35495956OMIM:112500Brachydactyly, type A144
HP:0008362HP:0010109Short hallux1KAT6A CL E G H799413013OMIM:616268Arboleda-Tham syndrome34
HP:0008362HP:0010109Short hallux1KCNJ8 CL E G H37646269ORPHA:1517Hypertrichotic osteochondrodysplasia, Cantu typeHP:0040282 - Frequent23
HP:0008362HP:0010109Short hallux1LETM1 CL E G H39546556OMIM:194190Wolf-Hirschhorn syndrome2
HP:0008362HP:0010109Short hallux1LETM1 CL E G H39546556ORPHA:280Wolf-Hirschhorn syndromeHP:0040282 - Frequent2
HP:0008362HP:0010058Aplasia/Hypoplasia of the phalanges of the hallux1MAP3K20 CL E G H5177617797ORPHA:488232Split-foot malformation-mesoaxial polydactyly syndrome2
HP:0008362HP:0010109Short hallux1MGP CL E G H42567060OMIM:245150Keutel syndrome.33
HP:0008362HP:0010109Short hallux1NELFA CL E G H746912768ORPHA:280Wolf-Hirschhorn syndromeHP:0040282 - Frequent
HP:0008362HP:0010109Short hallux1NOG CL E G H92417866OMIM:186500Multiple synostoses syndrome 1.22
HP:0008362HP:0010109Short hallux1NSD2 CL E G H746812766ORPHA:280Wolf-Hirschhorn syndromeHP:0040282 - Frequent118
HP:0008362HP:0010109Short hallux1NSD2 CL E G H746812766OMIM:194190Wolf-Hirschhorn syndrome118
HP:0008362HP:0010109Short hallux1PIGG CL E G H5487225985ORPHA:280Wolf-Hirschhorn syndromeHP:0040282 - Frequent7
HP:0008362HP:0010058Aplasia/Hypoplasia of the phalanges of the hallux1PTHLH CL E G H57449607ORPHA:93387Brachydactyly type E6
HP:0008362HP:0010109Short hallux1PUF60 CL E G H2282717042ORPHA:5084888q24.3 microdeletion syndromeHP:0040283 - Occasional19
HP:0008362HP:0010109Short hallux1SALL4 CL E G H5716715924ORPHA:959Acro-renal-ocular syndromeHP:0040282 - Frequent86
HP:0008362HP:0010109Short hallux1VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndrome6
HP:0008362HP:0010058Aplasia/Hypoplasia of the phalanges of the hallux1VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndrome6
HP:0008362HP:0010111Short phalanx of hallux2FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndrome111
HP:0008362HP:0010110Aplasia of the phalanges of the hallux2FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndrome111
HP:0008362HP:0010076Aplasia/Hypoplasia of the distal phalanx of the hallux2FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndrome111
HP:0008362HP:0010085Aplasia/Hypoplasia of the proximal phalanx of the hallux2FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndrome111
HP:0008362HP:0010076Aplasia/Hypoplasia of the distal phalanx of the hallux2HOXD13 CL E G H32395136ORPHA:93387Brachydactyly type EHP:0040283 - Occasional25
HP:0008362HP:0010085Aplasia/Hypoplasia of the proximal phalanx of the hallux2IHH CL E G H35495956OMIM:112500Brachydactyly, type A144
HP:0008362HP:0010111Short phalanx of hallux2IHH CL E G H35495956OMIM:112500Brachydactyly, type A144
HP:0008362HP:0010076Aplasia/Hypoplasia of the distal phalanx of the hallux2MAP3K20 CL E G H5177617797ORPHA:488232Split-foot malformation-mesoaxial polydactyly syndrome2
HP:0008362HP:0010076Aplasia/Hypoplasia of the distal phalanx of the hallux2PTHLH CL E G H57449607ORPHA:93387Brachydactyly type EHP:0040283 - Occasional6
HP:0008362HP:0010085Aplasia/Hypoplasia of the proximal phalanx of the hallux2VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndrome6
HP:0008362HP:0010111Short phalanx of hallux2VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndrome6
HP:0008362HP:0010110Aplasia of the phalanges of the hallux2VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndrome6
HP:0008362HP:0010076Aplasia/Hypoplasia of the distal phalanx of the hallux2VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndrome6
HP:0008362HP:0010106Aplasia of the proximal phalanx of the hallux3 CL E G H
HP:0008362HP:0010103Short distal phalanx of hallux3 CL E G H
HP:0008362HP:0010107Short proximal phalanx of hallux3FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndromeHP:0040281 - Very frequent111
HP:0008362HP:0010102Aplasia of the distal phalanx of the hallux3FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndromeHP:0040281 - Very frequent111
HP:0008362HP:0010107Short proximal phalanx of hallux3IHH CL E G H35495956OMIM:112500Brachydactyly, type A144
HP:0008362HP:0010107Short proximal phalanx of hallux3VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndromeHP:0040281 - Very frequent6
HP:0008362HP:0010102Aplasia of the distal phalanx of the hallux3VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndromeHP:0040281 - Very frequent6


Genes (35) :ABCC9 ACVR1 BHLHA9 BMP2 BMPR1B CHST11 CHSY1 CPLX1 CTBP1 EIF4A3 FGFR1 FGFR2 FGFRL1 FIG4 FLNA GDF5 GJA1 GLI3 GPC4 HOXA13 HOXD13 IHH KAT6A KCNJ8 LETM1 MAP3K20 MGP NELFA NOG NSD2 PIGG PTHLH PUF60 SALL4 VAC14

Diseases (35) :OMIM:239850 ORPHA:1517 ORPHA:337 OMIM:135100 ORPHA:157801 OMIM:609432 OMIM:112600 ORPHA:93388 OMIM:618167 ORPHA:363417 ORPHA:280 OMIM:194190 OMIM:268305 ORPHA:93258 ORPHA:93259 ORPHA:93260 ORPHA:3472 OMIM:216340 ORPHA:90650 ORPHA:90652 OMIM:311300 OMIM:304120 ORPHA:2710 ORPHA:93322 ORPHA:2662 OMIM:140000 ORPHA:2438 ORPHA:93387 OMIM:112500 OMIM:616268 ORPHA:488232 OMIM:245150 OMIM:186500 ORPHA:508488 ORPHA:959
 

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