Unclosed lip/palate: Cleft lip can occur with or without cleft palate, and visa versa. It means there is a gap in the lip or palate that never closed in the developing fetus.
Answered 3/27/2014
5.7k views
See below: Cleft lip and palate is a failure of the upper lip and roof of mouth to fuse together during envelopment in the mother's womb. When the child is born, the upper lip and palate will have a split that results in a hole between the mouth and the nose.
Answered 12/12/2012
5.7k views
Incomplete formation: Simple explanation of cleft lip or palate is incomplete fusion of the lip midline and its associated palate.
Answered 9/8/2013
5.5k views
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