soft-palate

Science Dictionary
palate   (pāl'ĭt)  Pronunciation Key 
The roof of the mouth in vertebrate animals, separating the mouth from the passages of the nose. ◇ The bony part of the palate is called the hard palate. ◇ A soft, flexible, rear portion of the palate, called the soft palate, is present in mammals only and serves to close off the mouth from the nose during swallowing.
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