one cell thick and their surfaces are covered by microvilli. Inside you will find sinusoids between each plate that empties into a central vein. These sinusoids lack a basement membrane which makes possible that there are large openings in the membrane and the endothelial cells allow solutes to pass through into the blood and surrounding the hepatocytes. Also the Kupffer cells are included in the lining of the sinusoids These Kupffer cells are phagocytic cells that engulf pathogens, cell debris, and damaged blood cells. They are also responsible for storing iron, lipids(some), and heavy metals. Blood enters the sinusoids from the hepatic portal vein and hepatic artery proper. A l!
             iver lobule looks like a stop sign where it has six sides and at the point of each is called a portal area. Each one has a hepatic portal vein. Hepatic artery proper, and also a branch
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