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Cheiloschisis

definition

Congenital defect in the upper lip where the maxillary prominence fails to merge with the merged medial nasal prominences. It is thought to be caused by faulty migration of the mesoderm in the head region.

synonyms

Cheiloschisis

UMLS

Cheiloschisis, Cleft Lip, Cleft lip NOS, Cleft lip, NOS, Cleft lip, unspecified, Cleft Lips, Cleft, lip, Congenital fissure of lip, Harelip, Harelips, Labium leporinum, LIP CLEFT, Lip, Cleft, Lips, Cleft