Umhlaza wemiphunga (okwabizwa ngokuba ngumhlaza we-bronchial) ngumhlaza wemiphunga onobungozi obangelwa zizicubu ze-bronchial epithelial zohlobo olwahlukileyo.Ngokwembonakalo, yahlulwe phakathi, i-peripheral kunye nenkulu (ixutywe).