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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:abnormal endoplasmic reticulum morphology
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Accession:MP:0009378 term browser browse the term
Definition:any structural anomaly of irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells
Comment:The endoplasmic reticulum membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
Synonyms:exact_synonym: abnormal ER morphology

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abnormal endoplasmic reticulum morphology term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Myo5a myosin VA IAGP DNA:rearrangement, deletion:exon:141-bp deletion position 1442-1582 RGD PMID:17185506 RGD:1600835 NCBI chr 8:75,811,985...75,980,049
Ensembl chr 8:75,812,412...75,975,918
JBrowse link
G Tg thyroglobulin IAGP DNA:missense mutation:cds:p.G2320R (rat) RGD PMID:11089535 RGD:730133 NCBI chr 7:98,418,293...98,603,210
Ensembl chr 7:98,418,293...98,603,210
JBrowse link
G Tgrdw thyroglobulin; rdw mutant IAGP compared to wild type and heterozygotes RGD PMID:11089535 RGD:730133

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  mammalian phenotype 5415
    cellular phenotype 187
      abnormal cell morphology 47
        abnormal intracellular organelle morphology 23
          abnormal endoplasmic reticulum morphology 5
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