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HUMAN PHENOTYPE - ANNOTATIONS

The Human Phenotype Ontology (HPO) is downloaded weekly from http://compbio.charite.de/hudson/job/hpo/lastStableBuild/artifact/ontology/release/hp.obo. The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at http://www.human-phenotype-ontology.org/.
Term:Decreased size of nerve terminals
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Accession:HP:0003443 term browser browse the term
Definition:A reduction in the size of nerve terminals.
Comment:Nerve terminals are the output region of nerves located presynaptically and (in the case of chemical synapses) containing vesicles of chemical neurotransmitters. Presynaptic nerve terminals normally are larger in diameter than the axon and have the appearance of a bud. This feature can be demonstrated by muscle biopsy.
Synonyms:xref: UMLS:C4025615


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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system morphology 0
          Abnormal peripheral nervous system morphology 0
            Decreased size of nerve terminals 0
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