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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:36338 term browser browse the term
Definition:Lepton is a fermion that does not experience the strong force (strong interaction). The term is derived from the Greek lambdaepsilonpitauomicronsigma (small, thin).
Synonyms:related_synonym: leptons

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  CHEBI ontology 0
    subatomic particle 0
      fermion 0
        lepton 0
          antimuon + 0
          electron + 0
          muon 0
          neutrino + 0
          positron + 0
          tau lepton 0
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