<prompt> Middle deft upper lip due to failure of fusion bwMaxillary processMedial naral processMedial and lateral naral processMedial naral process and maxillary process  <response>: DefectCaused byCleft upper lipFailure of fusion between maxillary process and medial naral processMedial deft upper lipFailure of fusion between maxillay process and medial and lateral naral processOblique facial deftFailure of fusion between maxillary process and medial lateral naral processLower lip deftFailure of fusion of two mandibular process 