Carpenter's principles of human physiology . Horizontal section of three superficial Lobules, show-ing the two principal systems of Blood-vessels:—a, a,mira-lobular veins, terminating in the Hepatic veins; venules, which arise from theplexus upon the surface of thelobule. The intra-lobular veinsterminate in the larger trunks,which pass along the bases ofthe lobules, discharging intothem their venous blood; theseare called by Mr. Kiernan sub-lobular veins. The main trunkof the Hepatic Vein terminatesin the ascending Vena pressure of the blood inthe Hepatic Veins varies from+ 3 or 4 mm.
Carpenter's principles of human physiology . Horizontal section of three superficial Lobules, show-ing the two principal systems of Blood-vessels:—a, a,mira-lobular veins, terminating in the Hepatic veins; venules, which arise from theplexus upon the surface of thelobule. The intra-lobular veinsterminate in the larger trunks,which pass along the bases ofthe lobules, discharging intothem their venous blood; theseare called by Mr. Kiernan sub-lobular veins. The main trunkof the Hepatic Vein terminatesin the ascending Vena pressure of the blood inthe Hepatic Veins varies from+ 3 or 4 mm. to- 7 mm. of Mer-cury, whilst it amounts to be-tween + 7 and + 16 mm. in theVena Porta?,t and the time Fig. Section of a small portion of the Liver of a Babbit, with theHepatic or intra-lobular veins injected. occupied by the circulation of a given quantity of blood through it is pro-bably not far short of that taken up by the major circulation, , from thecrural vein to the crural artery. ;j; * See his admirable Memoir On the Anatomy and Physiology of the Liver, in thePhilosophical Transactions, 1833. + Eosapelli, Recherches surla Circulation du Foie, Paris, Fliigge, Zeitschnft f. Biologie, Band xiii. p. 133, 1877. It may be here mentionedthat in this paper, which was overlooked by the Editor when page 263 was in the press, Fliigge F F 2 436 OF SECRETION AND EXCRETION. Fig 344. The Hepatic Duct forms, by its subdivision and ramification, an inter-lobular plexus very like that of the portal vein ; the branches ramifying upon the capsular surface of thelobules, and ultimately pene-trating into the interior (). The trunk and largerbranches of the biliary ductconsist of an int
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectphysiology, bookyear1
