. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. DIGESTION OP FOOD. 331 Probably as a luent diminu- cud is as- |g food is pre- oo-ordinated 36 whole pro- arable liquid, a in great part i [without water lost ruminants ihewed, a cbn- i with rumina- t is swallowed, B, prlonu. mgU the small into the third h possibly on shs. the paunoh is favorable to rumination, extreme distention tends to paralysis of the muscular ooat of the orga
. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. DIGESTION OP FOOD. 331 Probably as a luent diminu- cud is as- |g food is pre- oo-ordinated 36 whole pro- arable liquid, a in great part i [without water lost ruminants ihewed, a cbn- i with rumina- t is swallowed, B, prlonu. mgU the small into the third h possibly on shs. the paunoh is favorable to rumination, extreme distention tends to paralysis of the muscular ooat of the organ, allowing of the accumulation of the gases of fermentation which may lead, if not artiUcially relieved, to rupture of the organ. THB AltlBCBNTARY OANAIt OF TUJB VSRTBBRATB. Amid all variations in this great group, the alimentary canal has common features, both of structure and function. Through- out the entire tract muscle cells of the unstriped (involuntary) kind, arranged in two layers, constitute the motor mechanism for the transportation of food from one part to another. Out- side of these is the serous coat, consisting of fibrous and elastic tissue, and admirably adapted to preserve organs from undue distention, at the same time providing a smooth external cover- ing which lessens the friction of one organ against another in the abdominal cavity ; while folds of such tissue constitute the omentum for supporting the various organs. Between the muscular and mucous coats of the organs that constitute the alimentary canal there is a submucous coat of loose connective tissue in which ramify blood-vessels, nerves, etc. It is the mucous coat, however, that is of paramount impor- tance, and for which all other parts may in some sense be con- sidered to exist; for it is from the glands with which it is sup- plied that the digestive juices are derived, as well as that mucus which keeps the tract moist and its delicate structures shielded imder all circumstances. The amount of s
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