With each meal, when edible substances find their way into the oral cavity, thick and viscous saliva containing much mucus flows out of these glands.

While you are experimenting, do not remain content with the surface of things. Don't become a mere recorder of facts, but try to penetrate the mystery of their…

When the dog is repeatedly teased with the sight of objects inducing salivary secretion from a distance, the reaction of the salivary glands grows weaker and w…

Thus, the purposeful relationship of phenomena is based on the specificity of the stimuli, that correspond to similarly specific reactions.

Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is that this enables the mass of food to pass smoothly through…

Appetite, craving for food, is a constant and powerful stimulator of the gastric glands.

I've held a brain in my hands, which is an extraordinary experience.