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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 third ventricle morphology
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Accession:MP:0000826 term browser browse the term
Definition:any structural anomaly of the narrow cleft inferior to the corpus callosum, within the diencephalon, between the paired thalami; its floor is formed by the hypothalamus, its anterior wall by the lamina terminalis, and its roof by ependyma; it communicates with the fourth ventricle by the cerebral aqueduct, and with the lateral ventricles by the interventricular foramina
Synonyms:exact_synonym: abnormal 3rd ventricle morphology;   abnormal ventriculus tertius morphology;   third ventricle dysplasia

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  mammalian phenotype 5373
    nervous system phenotype 362
      abnormal nervous system morphology 209
        abnormal brain morphology 136
          abnormal forebrain morphology 79
            abnormal diencephalon morphology 45
              abnormal third ventricle morphology 0
                abnormal pineal recess morphology + 0
                absent third ventricle 0
                dilated third ventricle 0
                enlarged third ventricle 0
                small third ventricle 0
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