orofacial cleft rare head and neck malformation cleft palate COHD:135923 Cleft palate is a fissure type embryopathy that affects the soft and hard palate to varying degrees. DOID:674 ICD10:Q35 ICD10:Q35.1 ICD10:Q35.3 ICD10:Q35.5 ICD10:Q35.7 ICD10:Q35.9 ICD9:749.0 ICD9:749.00 MESH:D002972 MONDO:0016064 MedDRA:10009269 NCIT:C87069 Orphanet:2014 SCTID:63567004 UMLS:C0008925 cleft velum palatoschisis uranostaphyloschisis rare maxillo-facial surgical disease hereditary connective tissue disorder