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In histology (microscopic anatomy), the lobules of liver, or hepatic lobules, are small divisions of the liver defined at the microscopic scale. The hepatic lobule is a building block of the liver tissue, consisting of a portal triad, hepatocytes arranged in linear cords between a capillary network, and a central vein.
The hepatocyte is a cell in the body that manufactures serum albumin, fibrinogen, and the prothrombin group of clotting factors (except for Factors 3 and 4). It is the main site for the synthesis of lipoproteins, ceruloplasmin, transferrin, complement, and glycoproteins. Hepatocytes manufacture their own structural proteins and intracellular ...
A large fraction of the corresponding liver-specific proteins are mainly expressed in hepatocytes and secreted into the blood and constitute plasma proteins and hepatokines. Other liver-specific proteins are certain liver enzymes such as HAO1 and RDH16 , proteins involved in bile synthesis such as BAAT and SLC27A5 , and transporter proteins ...
Liver cytology is the branch of cytology that studies the liver cells and its functions. The liver is a vital organ, in charge of almost all the body’s metabolism. Main liver cells are hepatocytes, Kupffer cells, and hepatic stellate cells; each one with a specific function.
The capacity of LSECs as scavengers of blood borne waste assigns an important role of these cells in innate immunity. The abundant expression of receptors such as the endocytic FcγRIIb2 and pattern recognition receptors (PRRs) i.e. toll like receptors (TLRs), MMR and SRs, as well as the high expression of inflammasome molecules NLRP-1 , NLRP-3 ...
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.
However, if resident Kupffer cell populations are depleted, monocytes derived from hematopoietic stem cells in the bone marrow and transported through blood circulation to the liver can also fully differentiate into true Kupffer cells. Unlike other tissue macrophages, which must be continually renewed by circulating monocytes, these monocyte ...
Hepatocytes are the liver's primary parenchymal cells, forming 80% of the liver's mass and 60% of its cells. They are round in shape and contain a nucleus and organelles that contribute to metabolic and secretory functions. [5] Hepatocytes also play a pivotal role in liver inflammation. [6]