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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Jpn Dent Sci Rev. 2009 May 1;45(1):31–40. doi: 10.1016/j.jdsr.2009.03.004

Fig. 4.

Fig. 4

Stage II transport: Drawings based on a videofluorographic recording. The anterior tongue surface first contacts the hard palate just behind the upper incisors. The area of tongue-palate contact gradually expands backward, squeezing the triturated food to the oropharynx (Squeeze-back mechanism). The food bolus is positioned on the oropharyngeal surface of the tongue where it will accumulate during subsequent stage II transport cycles.