abnormal bronchioalveolar stem cell morphology increased bronchioalveolar stem cell number MPheno.ontology MP:0010829 greater numbers of a respiratory stem cell found at the junction of the terminal (conductive) bronchiole and the respiratory bronchiole, which gives rise to alveolar cell types and Clara cells in response to lung injury 2011-02-14T04:12:33Z csmith increased BASC number