These observations suggest that following: 1) during tongue flicking the ventral surface of the tongue tips invariably makes contact with the substratum; 2) the microstructures of the tongue tips and the ridges of the anterior processes might be helpful for collecting and receiving, respectively, chemicals during tongue flicking; 3) the anterior processes may be apposed on the roof of the mouth next to the ducts of VNOs when the buccal floor is fully elevated; 4) due to their localization, the taste buds could be equally stimulated by the molecules transferred during tongue flicking.
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