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Ontology Browser

Parent Terms Term With Siblings Child Terms
Abnormal alveolar ridge morphology +   
Abnormal lip morphology +   
Abnormal mandibular ramus morphology +   
Abnormal mouth floor morphology +  
Abnormal oral frenulum morphology +   
Abnormal oral mucosa morphology +   
Abnormal palate morphology +   
Abnormal salivary gland morphology +   
Abnormal tongue morphology +   
Abnormality of mouth shape +   
Abnormality of mouth size +   
Abnormality of the dentition +   
Neoplasm of the oral cavity +   
Orofacial cleft +   
The presence of a cleft (gap, opening, or groove) in the oral cavity, including cleft of the upper lip and/or cleft of the palate. Cleft of the upper lip is visible as a groove or fissure in the lip, most frequently due to a congenital failure of the maxillary and median nasal processes to fuse. Cleft palate is characterized by a grooved depression or fissure in the roof of the mouth, most often resulting from a congenital failure of the palate to fuse properly. Clefts of the lip and palate can occur individually or together. It is preferable to code each defect separately.
Tessier cleft +   

Exact Synonyms: Cleft of the mouth ;   Oral cleft ;   Oral clefting
Narrow Synonyms: Cleft lip, cleft palate
Related Synonyms: Cleft lip/palate
Xrefs: SNOMEDCT_US:253983005 ;   SNOMEDCT_US:66948001 ;   UMLS:C0158646 ;   UMLS:C4021813
Definition Sources:,,, PMID:21331089

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