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The bony palate and Alveolar Arch
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Lateral wall of nasal cavity (Hard palate visible in lower left)
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Palate,+Hard
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The is a thin horizontal
Bony plate of the
Skull , located in the roof of the mouth. It spans the arch formed by the upper
Teeth . It forms a partition between the nasal passages and the
Mouth . This partition is continued deeper into the mouth by a fleshy extension called the
Soft Palate .
The interaction between the
Tongue and the hard palate is essential in the formation of certain
Speech sounds, notably /t/, /g/, and /k/.
In the
Birth Defect called
Cleft Palate , the left and right portions of this plate are not joined, forming a gap between the mouth and nasal passage (a related defect affecting the face is
Cleft Lip ). Cleft palate has a severe impact upon the ability to
Nurse and speak but is now cured through reconstructive
Surgical procedures at an early age (where such procedures are available).
