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  2. Bile acid - Wikipedia

    en.wikipedia.org/wiki/Bile_acid

    Bile acid synthesis occurs in liver cells, which synthesize primary bile acids (cholic acid and chenodeoxycholic acid in humans) via cytochrome P450-mediated oxidation of cholesterol in a multi-step process. Approximately 600 mg of bile salts are synthesized daily to replace bile acids lost in the feces, although, as described below, much ...

  3. Enterohepatic circulation - Wikipedia

    en.wikipedia.org/wiki/Enterohepatic_circulation

    These lipid-soluble bile acids are conjugated (reversibly attached) mainly to glycine or taurine molecules to form water soluble primary conjugated bile acids, sometimes called "bile salts". These bile acids travel to the gall bladder during the interdigestive phase for storage and to the descending part of the duodenum via the common bile duct ...

  4. Bile salt hydrolase - Wikipedia

    en.wikipedia.org/wiki/Bile_salt_hydrolase

    Bile salt hydrolases are members of the N-terminal nucleophilic hydrolase family, characterized by autocatalytic activation by an N-terminal nucleophile and subsequent amide bond cleavage. [ 2 ] [ 5 ] The majority of BSH enzymes are composed of homotetramers , although they have been known to assume other forms including homodimers and ...

  5. Hepatocyte - Wikipedia

    en.wikipedia.org/wiki/Hepatocyte

    A hepatocyte is a cell of the main parenchymal tissue of the liver. Hepatocytes make up 80% of the liver's mass. These cells are involved in: Protein synthesis; Protein storage; Transformation of carbohydrates; Synthesis of cholesterol, bile salts and phospholipids; Detoxification, modification, and excretion of exogenous and endogenous substances

  6. Bile - Wikipedia

    en.wikipedia.org/wiki/Bile

    In the human liver, bile is composed of 97–98% water, 0.7% bile salts, 0.2% bilirubin, 0.51% fats (cholesterol, fatty acids, and lecithin), and 200 meq/L inorganic salts. [ 2 ] [ 3 ] The two main pigments of bile are bilirubin , which is orange-yellow, and its oxidised form biliverdin , which is green.

  7. Biliary tract - Wikipedia

    en.wikipedia.org/wiki/Biliary_tract

    Bile consists of water, electrolytes, bile acids, cholesterol, phospholipids and conjugated bilirubin. [2] Some components are synthesized by hepatocytes (liver cells); the rest are extracted from the blood by the liver. [3] Bile is secreted by the liver into small ducts that join to form the common hepatic duct. [4]

  8. Lipid metabolism - Wikipedia

    en.wikipedia.org/wiki/Lipid_metabolism

    Bile salts: Bile salts are secreted from liver and they facilitate lipid digestion in the small intestine. [27] Eicosanoids: Eicosanoids are made from fatty acids in the body and they are used for cell signaling. [28] Ketone bodies: Ketone bodies are made from fatty acids in the liver. Their function is to produce energy during periods of ...

  9. Acetyl-CoA - Wikipedia

    en.wikipedia.org/wiki/Acetyl-CoA

    Acetyl-CoA is also a key molecule in the citric acid cycle, which is a series of chemical reactions that occur in the mitochondria of cells and is responsible for generating energy in the form of ATP.