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Other anatomical landmarks include the ligamentum venosum and the round ligament of the liver (ligamentum teres), which further divide the left side of the liver in two sections.An important anatomical landmark, the porta hepatis, divides this left portion into four segments, which can be numbered starting at the caudate lobe as I in an anticlockwise manner.The liver is an accessory digestive gland that produces bile, an alkaline compound which helps the breakdown of fat.Bile aids in digestion via the emulsification of lipids.A distinctive component of a lobule is the portal triad, which can be found running along each of the lobule's corners.The portal triad, misleadingly named, consists of five structures: a branch of the hepatic artery, a branch of the hepatic portal vein, and a bile duct, as well as lymphatic vessels and a branch of the vagus nerve.

The greater part of the suprarenal impression is devoid of peritoneum and it lodges the right suprarenal gland.These peritoneal ligaments are not related to the anatomic ligaments in joints, and the right and left triangular ligaments have no known functional importance, though they serve as surface landmarks.The falciform ligament functions to attach the liver to the posterior portion of the anterior body wall.The one in front is a shallow colic impression, formed by the hepatic flexure and the one behind is a deeper renal impression accommodating part of the right kidney and part of the suprarenal gland.The suprarenal impression is a small, triangular, depressed area on the liver.In humans, it is located in the right upper quadrant of the abdomen, below the diaphragm.Its other roles in metabolism include the regulation of glycogen storage, decomposition of red blood cells and the production of hormones.This is moulded over the upper front surface of the stomach, and to the right of this is a rounded eminence, the tuber omentale, which fits into the concavity of the lesser curvature of the stomach and lies in front of the anterior layer of the lesser omentum.The central vein joins to the hepatic vein to carry blood out from the liver.The gallbladder, a small pouch that sits just under the liver, stores bile produced by the liver.The liver's highly specialized tissue consisting of mostly hepatocytes regulates a wide variety of high-volume biochemical reactions, including the synthesis and breakdown of small and complex molecules, many of which are necessary for normal vital functions.