Page 408 - Anatomy and Physiology of Farm Animals, 8th Edition
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Anatomy of the Digestive System / 393

                                                        the hepatocytes. Blood (both arterial and
                                                        portal) flows from the portal canal through
  VetBooks.ir      c             c                      the sinusoids and is gathered by the central

                                                        vein, the smallest tributary of the hepatic
                                                        veins. In and around the sinusoids are fixed
                          b              b              macrophages, which in this location are
                                                        called Kupffer cells.
                             a                             Between adjacent rows of liver cells is a
                                                        tiny  bile canaliculus, which is little more
                                                        than a tube formed by grooves in the  surfaces
                                c
                                                        of the apposed liver cells. Bile produced by
                                                        the hepatocytes is carried toward the peri­
                                                        phery of the hepatic lobule by the bile can­
               Figure 20-21.  Microscopic anatomy of the bovine
               liver. a, hepatocytes of liver lobule; b, central vein; c,   aliculi to the interlobular bile ducts located
               portal veins. Source: photo courtesy of Gretchen   at the portal canal (notice that this net flow
               Delcambre, Colorado State University, Colorado, USA.  is opposite the direction of blood flow).
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