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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 histamine level
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Accession:MP:0030754 term browser browse the term
Definition:anomaly in the amount of histamine, an amine derived from the decarboxylation of histidine that is involved in local immune responses, in regulating physiological function in the gut, and that acts as a neurotransmitter for the brain, spinal cord, and uterus; histamine is involved in the inflammatory response and has a central role as a mediator of itching

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  mammalian phenotype 0
    homeostasis/metabolism phenotype 0
      abnormal homeostasis 0
        abnormal histamine physiology 0
          abnormal histamine level 0
            abnormal circulating histamine level + 0
            decreased histamine level + 0
            increased histamine level + 0
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