Human Phenotype Ontology 
Grandparent Node:
expandAbnormality of the knee (HP:0002815)help
Parent Node:
expandAbnormal patella morphology (HP:0003045)help
..Starting node
..expandDouble-layered patella (HP:0031174)help
Term ID: 31174
Name: Double-layered patella
Synonym:
Definition: An anomaly of the patella characterized by two layers visible on lateral knee X-ray such that one layer is in front of the other in the sagittal orientation (See Figure 2A and 3B of PMID:12966518). This finding persists into adulthood.
Comments:
Reference: HP:0031174
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAplasia/Hypoplasia of the patella (HP:0006498) help
..expandBipartite patella (HP:0010498) help
..expandDelayed patellar ossification (HP:0006454) help
..expandDysplastic patella (HP:0006446) help
..expandIrregular patellae (HP:0006369) help
..expandLateral displacement of patellae (HP:0006397) help
..expandOsteolysis of patellae (HP:0006378) help
..expandPatellar dislocation (HP:0002999) help
..expandPatellar subluxation (HP:0010499) 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:0031174HP:0031174Double-layered patella0COL2A1 CL E G H12802200ORPHA:166011Multiple epiphyseal dysplasia, Beighton typeHP:0040283 - Occasional284
HP:0031174HP:0031174Double-layered patella0SLC26A2 CL E G H183610994OMIM:226900Epiphyseal dysplasia, multiple, 4166
HP:0031174HP:0031174Double-layered patella0SLC26A2 CL E G H183610994ORPHA:93307Multiple epiphyseal dysplasia type 4HP:0040282 - Frequent166


Genes (2) :COL2A1 SLC26A2

Diseases (3) :ORPHA:166011 OMIM:226900 ORPHA:93307
 

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