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. The new hydropathic cook-book : with recipes for cooking on hygienic principles : containing also a philosophical exposition of the relations of food to health : the chemical elements and proximate constitution of alimentary principles : the nutritive properties of all kinds of aliments : the relative value of vegetable and animal substances : the selection and preservation of dietetic materials, etc., d in the mouth excites the salivary glandsto action, and the act of mastication further provokes the flowof saliva. Thus, without some portions of our food being ofa solid consistence so
. The new hydropathic cook-book : with recipes for cooking on hygienic principles : containing also a philosophical exposition of the relations of food to health : the chemical elements and proximate constitution of alimentary principles : the nutritive properties of all kinds of aliments : the relative value of vegetable and animal substances : the selection and preservation of dietetic materials, etc., d in the mouth excites the salivary glandsto action, and the act of mastication further provokes the flowof saliva. Thus, without some portions of our food being ofa solid consistence so as to secure thorough mastication, it cannot be properly mixed with the saliva. It has been noticed that herbivorous animals have a muchmore copious secretion of saliva than the carnivorous; and itis true, also, that vegetarians of the human species have thissecretion more abundant than those who partake of a mixeddiet. Spices, condiments, salt, vinegar, etc., tend to check tho Theory of Nutrition. 123 Morbid Salivary Secretion—The Salivary Glands secretion by producing an inflammatory condition. Those whodefile their mouths with tobacco juice or smoke often have amorbid running or driveling from the mouth, not of true saliva,however, but of a depraved and acrid secretion analogous to arunning at the nose in the case of catarrh of the head,and other morbid affections of the mucous membrane. Fig. THE In Fig. 83 arc seen all the glands of one side, in their pro-per situation. 1. The parotid gland. 2. Its duct. 3. Thesubmaxillary gland. 4. Its duct. 5. The sublingual gland. Mastication.—A glance at the anatomical structure of theteeth is alone sufficient to impress the close observer of theteachings of natural history with the importance of eatingslowly and chewing deliberately. Fig. 84 exhibits a lateral view of all the teeth, in situ. Thefront incisor, or cutting teeth, arc sharp on the edges, for the 124 H YDS OP ATHIO COOK-BOOK, The Masticatory Orp
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Keywords: ., bookcentury1800, booksubjectfood, booksubjectnutritionalphysiolo