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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 lateral corticospinal tract morphology
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Accession:MP:0009683 term browser browse the term
Definition:any structural anomaly of the large bundle of corticospinal motor fibers that cross the midline at the pyramidal decussation and descend in the dorsal half of the lateral funiculus; the lateral corticospinal tract controls movement of contralateral limbs
Synonyms:exact_synonym: abnormal crossed pyramidal tract morphology;   abnormal lateral cerebrospinal fasciculus morphology;   abnormal lateral pyramidal tract morphology

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  mammalian phenotype 5402
    nervous system phenotype 369
      abnormal nervous system morphology 215
        abnormal nervous system tract morphology 8
          abnormal lateral corticospinal tract morphology 0
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