. Elements of human physiology. Physiology. INTRODUCTION 9 mere solution of foodstuffs. It is to a large extent concerned in further elaborating the foodstuffs after they have been absorbed into the body, so as to make the function of self- nutrition still easier for the other servants of the organism. We may here run through the various parts of the alimen- tary canal, with the glands openmg into it. From the mouth, where the food is chiefly broken up by the teeth and moistened by the saliva, which is secreted by the salivary glands, the Fig. Diagram of alimentary canal, m. Mouth with sal
. Elements of human physiology. Physiology. INTRODUCTION 9 mere solution of foodstuffs. It is to a large extent concerned in further elaborating the foodstuffs after they have been absorbed into the body, so as to make the function of self- nutrition still easier for the other servants of the organism. We may here run through the various parts of the alimen- tary canal, with the glands openmg into it. From the mouth, where the food is chiefly broken up by the teeth and moistened by the saliva, which is secreted by the salivary glands, the Fig. Diagram of alimentary canal, m. Mouth with salivary glands, s, opening into it. ce. (Esophagus, st. Stomach, d. Duodenum with pancreas, p, and liver, 1, opening into it. int. Small intestine, cffi. Caecum, c. Colon, r. Eectum. a. Anus. food passes through the tubular oesophagus or gullet into the stomach. This is a saccular dilatation of the canal, situated in the upper part of the abdomen. In it the foodstuffs are acted upon by the gastric juice, secreted by small tubular glands, and the dissolved products are partly taken up or absorbed. After the stomach the alimentary canal becomes narrowed again to form the small intestine. In man this is divided. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Starling, Ernest Henry, 1866-1927. Chicago : W. T. Keener
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