Health Book Citation

Genetics can play a role in the development of clefts if. Cleft lip is formed in the top of the lip as either a small gap or an indentation in the lip partial or incomplete cleft or continues into the nose complete cleft.

Cleft Lip And Palate An Adverse Pregnancy Outcome Due To Undiagnosed Maternal And Paternal Coeliac Disease Sciencedirect

In cases in which the fissure extends forward through the hard palate the nasal cavity opens into the mouth.

Pathophysiology of cleft lip and palate. Lip cleft can occur as one sided unilateral or two sided bilateral. The cause of cleft palate and lip isn t known but doctors believe that the defects occur because of both genetic and environmental factors. Cleft lip and cleft palate occur when tissues in the baby s face and mouth don t fuse properly.

Cleft palate can exist in varying degrees of severity ranging from a fissure of only the soft palate to a complete separation of the entire palate including the gum. But in babies with cleft lip and cleft palate the fusion never takes place or occurs only part way leaving an opening cleft. Normally the tissues that make up the lip and palate fuse together in the second and third months of pregnancy.

If only skin tissue is affected one speaks of cleft lip.

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