. Un texte-livre de physiologie comparée [microforme] : pour les étudiants et les praticiens de médecine vétérinaire (comparatif). La Physiologie, physiologie vétérinaire ; comparatifs ; physiologie comparée ; physiologie vétérinaire. I en tant qu'ide arga- l'objet système sur tiod n'est pas l'activité de l'ONU mise en caisse- len la con- le déchargement:e8 place pb- [par la vessie est probablement en la digestion est ous le mder influence le gouvernement n'est pas connu, de l'pancre- z tr"I7I8|0|10 (icrMtlcjnlce ordlmtM après w food ; rood WM prises sur sur de la bile. cas de la bile- re est une digestion soudaine. ALIMENTS OP 817 augmentation de la quantité de bi

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. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. I as an arga- ide the subject system over tiod is not un- crating activity len the con- le discharging :e8 place, prob- [bladder by the is probably en digestion is ous influences mder the gov- is unknown, of the pancre- z SI«I7I8|0|10 icrMtlcjnlce (after w food; ordlmtM rood WM taken at on of bile. case of bile— re is a sudden DIGESTION OP FOOD. 817 increase in the quantity of bile secreted, followed by a sudden diminution, then a more gradual risu, with a subsequent fall. Almost the dame holds for the pancreas. It seems impossible to explain these facts, especially the flrst rapid discharge of fluid apart from the direct influence of the nervous sjrstem. Upon the whole, the evidence seems to show that the press- ure in tiie bile-ductu is greater than in the veins that unite to make up the portal system; but there are difficulties in the investigation of such and kindred subjects as regards the liver, owing to its peculiar vascular supply. It will be borne in mind that the liver in mammals consists of a mass of blood-vessels, between the meshes of which are packed innumerable cells, and that around the latter meander the bile capillaries; that the portal vein breaks up into the intralobular, from which capil- laries arise, that terminate in the central interlobular veins, which make up the hepatic veinlets or terminate in these vessels. But the structure is complicated by the branches of the hepatic artery, which, as arterioles and capillaries, enters to some extent into the formation of the lobular vessels. A question of interest, though difficult to answer, is the extent to which the various constituents of bile are manufact- ured in the liver. Taurin, for example, is present in some of. PiA. xe.—Lobnlea at Uver, interlobular reiiela, and int

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