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Explain The Anatomy Of The Soft Palate

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Anatomy of the soft palate: The soft palate is innervated by the lesser palatine nerves, which travel through the lesser palatine foramen, along with vessels to supply nutrients to the area. The soft palate contains salivary glands, which secrete mucous and help keep the oral cavity and buccal mucosa “moist”. The area along which the hard and soft palate meet forms a “double curving line, with the posterior nasal spine of the palatine bone being the primary landmark at the midline.”23 A majority of the posterior component of the soft palate is “part of the oral pharynx”, it stretches from the end of the hard palate towards the uvula. It rises from left to right forming an “arch”. Role of the soft palate: During speech, voice conduction/sound, and swallowing the soft palate rises to close off the opening between the oropharynx and nasopharynx.23
Actions of the various muscles of the soft palate in swallowing: The levator veli palatini muscle contracts during soft palate function, it rises “up and back” so the soft palate may contact the “posterior throat (pharyngeal) wall.”23 …show more content…
The fusion takes place initially in the anterior maxilla and then in the posterior, “like a zipper being zipped from front to back”.23 If the cleft palate occurs early during the fusion process, the entirety of the hard and soft palate will be open and unfused; if it occurs later (i.e.: closer to the 11th week) then only the soft palate/uvula will remain unfused. Because the palate is unable to form a seal with between the oro- and nasopharynx, when the child with a cleft palate attempts to drink milk, it will regurge into the nasal cavity; this can contribute to malnourishment or starvation in the infant if the cleft lip is not immediately

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