…However, in the human liver, which lacks interlobular connective tissue, the only area surrounded by the three lobules is the area of connective tissue that is sheath-like. This area is called Glisson's sheath, or portal canal, and contains the artery, the portal vein branches, the interlobular bile ducts, lymphatic vessels, and bundles of autonomic nerve fibers, and is continuous with the porta hepatis. The arterial and portal vein branches in the Glisson's sheath each branch into the lobule, and the two branches anastomose at the edge of the lobule, so that the combined portal vein and arterial blood flows through a network of capillaries (sinusoids) that run throughout the lobule toward the central vein that runs along the central axis of the lobule. … *Some of the terminology explanations that mention "portal canal" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…しかし,小葉間結合組織の乏しいヒトなどの肝臓では,三つの小葉で囲まれた領域にのみ,鞘状に結合組織が介在するにすぎない。この領域は,グリソン鞘Glisson’s sheath,または門脈域portal canalと呼ばれ,動脈,門脈の枝,小葉間胆管,リンパ管,自律神経繊維束を含み,肝門と連続している。グリソン鞘内の動脈枝と門脈枝は,それぞれ小葉内へ分岐し,両者の枝は小葉辺縁部において吻合(ふんごう)しているため,合流した門脈血と動脈血は,小葉内に張りめぐらされた毛細血管(類洞sinusoid)の網を,小葉の中心軸を走る中心静脈に向かって流れる。… ※「portal canal」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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