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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

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Accession:HP:0001265 term browser browse the term
Definition:Reduction of neurologic reflexes such as the knee-jerk reaction.
Synonyms:exact_synonym: Decreased reflex response;   Decreased reflexes
 alt_id: HP:0002467
 xref: SNOMEDCT_US:405946002;   UMLS:C0700078

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Term paths to the root
Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system physiology 0
          Abnormality of movement 0
            Abnormal reflex 0
              Reduced tendon reflexes 0
                Hyporeflexia 0
                  Hyporeflexia of lower limbs + 0
                  Hyporeflexia of upper limbs + 0
                  Jaw hyporeflexia 0
paths to the root