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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:Mucus plug
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Accession:HP:0025695 term browser browse the term
Definition:Mucus that is abnormally thick in consistency (ie, inspissated) and plugs the airway is known as a mucus plug. Mucus plugs consist of mucins and cells and can partially or completely obstruct one or more airways and cause serious consequences, including atelectasis and recurrent infection.

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the respiratory system 0
        Abnormal respiratory system morphology 0
          Abnormal lung morphology 0
            Mucus plug 0
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