Human Phenotype Ontology 
Grandparent Node:
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Abnormal muscle fiber morphology (HP:0004303)help
Parent Node:
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Abnormality of skeletal muscle fiber size (HP:0012084)help
..Starting node
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Type 1 fibers relatively smaller than type 2 fibers (HP:0003755)help
Term ID: 3755
Name: Type 1 fibers relatively smaller than type 2 fibers
Synonym: Type 1 fibres relatively smaller than type 2 fibres
Definition: The presence of abnormal muscle fiber size such that type 1 fibers are smaller than type 2 fibers.
Comments:
Reference: HP:0003755
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandIncreased variability in muscle fiber diameter (HP:0003557) 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:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0ACTA1 CL E G H58129OMIM:255310Myopathy, congenital, with fiber-type disproportion.96
HP:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0MTM1 CL E G H45347448ORPHA:596X-linked centronuclear myopathy185
HP:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0MYH7 CL E G H46257577OMIM:255310Myopathy, congenital, with fiber-type disproportion.1269
HP:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0MYL2 CL E G H46337583OMIM:619424MYOPATHY, MYOFIBRILLAR, 12, INFANTILE-ONSET, WITH CARDIOMYOPATHY; MFM12131
HP:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0RYR1 CL E G H626110483OMIM:255310Myopathy, congenital, with fiber-type disproportion.1200
HP:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0SELENON CL E G H5719015999OMIM:255310Myopathy, congenital, with fiber-type disproportion.144
HP:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0TPM2 CL E G H716912011OMIM:255310Myopathy, congenital, with fiber-type disproportion.54
HP:0003755HP:0003755Type 1 fibers relatively smaller than type 2 fibers0TPM3 CL E G H717012012OMIM:255310Myopathy, congenital, with fiber-type disproportion.108


Genes (8) :ACTA1 MTM1 MYH7 MYL2 RYR1 SELENON TPM2 TPM3

Diseases (3) :OMIM:255310 ORPHA:596 OMIM:619424
 

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