. A text-book of animal physiology, with introductory chapters on general biology and a full treatment of reproduction ... Physiology, Comparative. 320 ANIMAL PHYSIOLOGY. tomical relations of tlie salivary glands in some mammal, we would further remind him that the submaxillary gland has a double nervous supply: 1. From the cervical sympathetic by branches passing to the gland along its arteries. 2. From the chorda tympani nerve, which after leaving the facial makes connection with the lingual, whence it proceeds to its destina- tion. Part of train above medulla Afferent nerves from tongue. 'a
. A text-book of animal physiology, with introductory chapters on general biology and a full treatment of reproduction ... Physiology, Comparative. 320 ANIMAL PHYSIOLOGY. tomical relations of tlie salivary glands in some mammal, we would further remind him that the submaxillary gland has a double nervous supply: 1. From the cervical sympathetic by branches passing to the gland along its arteries. 2. From the chorda tympani nerve, which after leaving the facial makes connection with the lingual, whence it proceeds to its destina- tion. Part of train above medulla Afferent nerves from tongue. 'aUvary gland Blood vessel of gland SympatheUe nerve Fig. 273.—Diagram intended to indicate the nervous mechanism of salivary secretion. The following facts are of importance as a basis for conclu- sions : 1. It is a matter of common observation that a flow of saliva may be excited by the smell, taste, sight, or even thought of food. 2. It is also a matter of experience that emotions, as fear, anxiety, etc., may parch the mouth—i. e., arrest the flow of saliva. The excited speaker thus suffers in his early 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 Mills, Wesley, 1847-1915. New York, D. Appleton
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