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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 motor nerve collateral sprouting
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Accession:MP:0004243 term browser browse the term
Definition:aberrant response of a motor neuron to form new neuritic processes (sprouts) that emerge from the nodes of Ranvier or terminal arborizations in response to nerve injury (such as denervation), application of nerve toxin, or muscle inactivity (usually due to disease)
Synonyms:narrow_synonym: abnormal motor nerve nodal sprouting;   abnormal motor nerve terminal sprouting

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  mammalian phenotype 5373
    nervous system phenotype 362
      abnormal nervous system physiology 206
        abnormal neuron physiology 7
          abnormal collateral sprouting 0
            abnormal motor nerve collateral sprouting 0
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