. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. DIGESTION OP POOD. 325 of the cesophagus, and with little if any digestive function. It thus appears that the stomach of the horse is in reality smaller, as a true digestive gland, than it seems, so that a great part of the work of digestion must be done in the intestine ; though in this animal, if the food be retained as long as it is in the hog, which is not, however, the general opinion as regards the stomach of the horse, salivary digestion may continue for
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. DIGESTION OP POOD. 325 of the cesophagus, and with little if any digestive function. It thus appears that the stomach of the horse is in reality smaller, as a true digestive gland, than it seems, so that a great part of the work of digestion must be done in the intestine ; though in this animal, if the food be retained as long as it is in the hog, which is not, however, the general opinion as regards the stomach of the horse, salivary digestion may continue for a considerable period after the food has left the mouth. The secretion of mucus by the stomach in herbivora is abundant. As has been already explained, the stomach of ruminants consists of several compartments which are supplementary to one another, though genuine gastric digestion does not take place except in the fourth stomach. The first and second stomachs being destitute of other than mucous glands, and lined with a homy epithelium, are to be con- sidered rather as dilatations of the oesophagus. They answer admirably the purpose of storehouses for the bulky food in which the softening process preparatory to mastication goes Fig. 267.—Stomach of tire ox seen on its right upper face, the abomasum being de- pressed (Chanveaii). A, rumen, left hemisphere: B, rumen, riglit hemisphere; C, termination of the oesophagus; D, reticulum; E, omasum; F, 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, Appleton
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