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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 telencephalon development
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Accession:MP:0000934 term browser browse the term
Definition:anomaly in the progression of the enlarged anteriolateral part of the brain; consists of the paired cerebral hemispheres and olfactory bulbs, the basal ganglia and the connecting structures, and is considered to be the seat of conscious mental processes; it develops from the anterior-most embryological division of the brain that develops from the prosencephalon

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  mammalian phenotype 5402
    nervous system phenotype 368
      abnormal nervous system morphology 215
        abnormal brain morphology 139
          abnormal forebrain morphology 82
            abnormal telencephalon morphology 28
              abnormal telencephalon development 0
                abnormal cortical intermediate zone morphology 0
                abnormal cortical marginal zone morphology + 0
                abnormal cortical plate morphology + 0
                abnormal cortical ventricular zone morphology 0
                abnormal folding of telencephalic vesicles 0
                abnormal pallium development 0
                abnormal subpallium development 0
                abnormal subplate morphology + 0
                absent embryonic telencephalon 0
                small embryonic telencephalon 0
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