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Lobules of liver. The structure of the liver’s functional units or lobules. Blood enters the lobules through branches of the portal vein and hepatic artery proper, then flows through sinusoids. In histology (microscopic anatomy), the lobules of liver, or hepatic lobules, are small divisions of the liver defined at the microscopic scale.
Congestive hepatopathy, is liver dysfunction due to venous congestion, usually due to congestive heart failure. The gross pathological appearance of a liver affected by chronic passive congestion is "speckled" like a grated nutmeg kernel; the dark spots represent the dilated and congested hepatic venules and small hepatic veins.
A liver segment is one of eight segments of the liver as described in the widely used Couinaud classification (named after Claude Couinaud) in the anatomy of the liver.This system divides the lobes of the liver into eight segments based on a transverse plane through the bifurcation of the main portal vein, [1] arranged in a clockwise manner starting from the caudate lobe.
A single lobule of the liver of a pig. X 60. (Central vein not labeled, though region is visible. Central vein would be a single vein at the center of the lobule.) In microanatomy, the central vein of liver (or central venule) [1] is a vein at the center of each hepatic lobule. [2] It receives the blood mixed in the liver sinusoids to drain it ...
The falciform ligament, visible on the front of the liver, makes a superficial division of the right and left lobes of the liver. From the underside, the two additional lobes are located on the right lobe. [2] A line can be imagined running from the left of the vena cava and all the way forward to divide the liver and gallbladder into two ...
Centrilobular necrosis. Histopathology of shock liver (intermediate magnification), showing centrilobular necrosis but viable periportal hepatocytes. Centrilobular necrosis (CN) is a nonspecific histopathological observation brought on by hepatotoxins like acetaminophen (paracetamol), [1] thioacetamide, tetrachloride, [2] cardiac hepatopathy ...
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Ischemic hepatitis, also known as shock liver, is a condition defined as an acute liver injury caused by insufficient blood flow (and consequently insufficient oxygen delivery) to the liver. [5] The decreased blood flow (perfusion) to the liver is usually due to shock or low blood pressure. However, local causes involving the hepatic artery ...