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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Abnormal cerebrospinal fluid morphology
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Accession:HP:0002921 term browser browse the term
Definition:An abnormality of the cerebrospinal fluid (CSF).
Comment:The cerebrospinal fluid (CSF) is secreted by the choroid plexus, and flows uninterrupted throughout the central nervous system (the central cerebrospinal canal of the spinal cord and through the four interconnected cerebral ventricles in the brain).
Synonyms:exact_synonym: Abnormal CSF findings;   Abnormality of the CSF;   Abnormality of the cerebrospinal fluid
 xref: UMLS:C0151583

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system morphology 0
          Morphological central nervous system abnormality 0
            Abnormal cerebrospinal fluid morphology 0
              Abnormal CSF ion concentration + 0
              Abnormal CSF metabolite concentration + 0
              Abnormal CSF protein concentration + 0
              Abnormal CSF/serum albumin ratio + 0
              Abnormality of neutrophil morphology in CSF + 0
              CSF infectious agent + 0
              CSF pleocytosis + 0
              Cerebrospinal fluid erythrocytes 0
              Cerebrospinal fluid rhinorrhoea 0
              Extra-axial cerebrospinal fluid accumulation 0
              Hydrocephalus + 0
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