abnormal respiratory epithelium morphology abnormal airway basal cell morphology csmith MPheno.ontology MP:0011113 2011-05-11T04:13:01Z any structural anomaly of a long-lived multipotent stem cell of the pseudostratified airway epithelium which is restricted to the tracheal epithelium in mice; airway BCs have been shown to be capable of self renewal, give rise to secretory (Clara) cells and ciliated cells, and play important roles both in epithelial homeostasis and in pathological airway remodeling