Thorough mastication is a necessary introduction to the more complicated changes which occur in the later digestion.

On account of the insufficient mastication, the saliva will be deficient in quantity, and, as a consequence, the starch will not be well digested, and the stomach will not secrete a sufficient amount of gastric juice.

The determining factor in the application of the term should be the inability of the individual concerned to extract sufficient nutriment from the normal ration, owing to imperfect mastication.

As he bent over his plate his face was contorted with emotion, apparently intense anger, and he talked with furious energy, only pausing briefly in the intervals of actual mastication.

Possibly it was partaken of between meals, or late at night, with ice cream and other confections, or it was swallowed without sufficient mastication.

Very slowly she ate the fragment of fried bread as if to increase it by diligent mastication.

To attain a healthful old age, the power of vigorous mastication must be preserved.