has part has part has_part characteristic of part of has modifier abnormal lung development abnormal lung bud morphology MP:0010906 abnormal primary lung bud morphology 2011-03-04T02:58:37Z abnormal tracheal bud morphology abnormal lung buds MPheno.ontology csmith any structural anomaly of the primary outgrowth of the embryonic trachea i.e. blunt end of the respiratory diverticulum which grows ventrally out of the proximal end of the foregut, then extends caudally and divides into two, forming the anlage of a primary bronchus and all its branches morphology abnormal lung bud