abnormal bronchioalveolar stem cell morphology increased bronchioalveolar stem cell number 2011-02-14T04:12:33Z MP:0010829 MPheno.ontology csmith 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 increased BASC number