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Liver 3D

  • Description                                              
    • * Is a large, solid, gland situated in the right upper quadrant of the abdominal cavity.
    • * is wedge-shaped organ, having five surfaces. It resembles a four-sided pyramid laid on one side.
    • * Is surrounded by the peritoneum and is attached to the diaphragm by the coronary and falciform ligaments, and the right and left triangular ligaments.
    • * Is divided into the right and left lobes by the fossae for the gallbladder and the IVC.
    • * Receives 20% of its blood supply through the hepatic artery, and 80% through the portal vein. The hepatic veins drain the venous blood from the liver into the inferior vena cava.
    • * The superficial lymphatics of the liver terminate in caval, hepatic, paracardial, and coeliac lymph nodes. The deep lymphatics end partly in the nodes around the end of the inferior vena cava, and partly in the hepatic nodes.
    • * Receives its nerve supply from the hepatic plexus, which contains both sympathetic and parasympathetic or vagal fibres.

                                                                                                                            

  • Right Lobe:
    • * Is much larger than the left lobe, and forms five-sixth of the liver.
    • * Is divided into anterior and posterior segments, each of which is subdivided into superior and inferior areas or segments.

                                                                                                                                         

  • Left Lobe:
    • * Is divided into medial and lateral segments, each of which is subdivided into superior and inferior segments.
    • * Includes the medial superior (caudate lobe), medial inferior (quadrate lobe), lateral superior, and lateral inferior segments.
    • * The quadrate lobe receives blood from the left hepatic artery and drains bile into the left hepatic duct, whereas the caudate lobe receives blood from the right and left hepatic arteries and drains bile into both right and left hepatic ducts.

                                                                                                                             

  • Porta hepatis:
    • * The transverse fissure on the visceral surface of the liver between the quadrate and caudate lobes lodges the hepatic ducts, hepatic arteries, branches of the portal vein, hepatic nerves, and lymphatic vessels.

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  • Description                                              
    • * Is a large, solid, gland situated in the right upper quadrant of the abdominal cavity.
    • * is wedge-shaped organ, having five surfaces. It resembles a four-sided pyramid laid on one side.
    • * Is surrounded by the peritoneum and is attached to the diaphragm by the coronary and falciform ligaments, and the right and left triangular ligaments.
    • * Is divided into the right and left lobes by the fossae for the gallbladder and the IVC.
    • * Receives 20% of its blood supply through the hepatic artery, and 80% through the portal vein. The hepatic veins drain the venous blood from the liver into the inferior vena cava.
    • * The superficial lymphatics of the liver terminate in caval, hepatic, paracardial, and coeliac lymph nodes. The deep lymphatics end partly in the nodes around the end of the inferior vena cava, and partly in the hepatic nodes.
    • * Receives its nerve supply from the hepatic plexus, which contains both sympathetic and parasympathetic or vagal fibres.

                                                                                                                            

  • Right Lobe:
    • * Is much larger than the left lobe, and forms five-sixth of the liver.
    • * Is divided into anterior and posterior segments, each of which is subdivided into superior and inferior areas or segments.

                                                                                                                                         

  • Left Lobe:
    • * Is divided into medial and lateral segments, each of which is subdivided into superior and inferior segments.
    • * Includes the medial superior (caudate lobe), medial inferior (quadrate lobe), lateral superior, and lateral inferior segments.
    • * The quadrate lobe receives blood from the left hepatic artery and drains bile into the left hepatic duct, whereas the caudate lobe receives blood from the right and left hepatic arteries and drains bile into both right and left hepatic ducts.

                                                                                                                             

  • Porta hepatis:
    • * The transverse fissure on the visceral surface of the liver between the quadrate and caudate lobes lodges the hepatic ducts, hepatic arteries, branches of the portal vein, hepatic nerves, and lymphatic vessels.

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