. Text-book of normal histology: including an account of the development of the tissues and of the organs. ries of the lobules are imper-fectly defined by the irregular areas representing the poorly-developed capsule of Glisson. sideration of the vascular supply is necessary to an understanding ofthe structure of the lobule. The interlobular vessels, situatedbetween the lobules at their periphery,are continuations of those passingthrough the transverse fissure; theyare the portal vein, the hepatic ar-tery, and the bile-duct. The portal vein, the largest ofthe interlobular vessels, gives off nu
. Text-book of normal histology: including an account of the development of the tissues and of the organs. ries of the lobules are imper-fectly defined by the irregular areas representing the poorly-developed capsule of Glisson. sideration of the vascular supply is necessary to an understanding ofthe structure of the lobule. The interlobular vessels, situatedbetween the lobules at their periphery,are continuations of those passingthrough the transverse fissure; theyare the portal vein, the hepatic ar-tery, and the bile-duct. The portal vein, the largest ofthe interlobular vessels, gives off nu-merous branches, which enter thelobule at the periphery and break upinto twigs, forming a rich, freely anas-tomosing intralobular capillarynet-work. The meshes of this net-work are somewhat elongated andtrapezoidal in form, the smaller endof the spaces being directed towardsthe centre of the lobule, an arrange-ment produced by the convergence ofthe capillary net-work to the centrallyplaced intralobular vein, a branchof the hepatic. The meshes of this lobular capil-lary net-work are occupied by the 12. Diagram of the structure of the liver:P. v., the portal or interlobular vein,v^hich breaks up into the capillary net-workof the lobule; H. V., central intralobularvein, a branch of the hepatic; H. A., he-patic artery, supplying nutrition to the in-terlobular structures and terminating in thelobular capillar} net-work ; , the inter-lobular bile-duct which takes up the bile-capillaries at the periphery of the lobule. 1^8 NORMAL HISTOLOGY. secreting hepatic tissue, comprising the liver-cells, the bile-capil-laries, the minute channels through which the bile elaborated within Fig. 219.
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