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Tempkin Ch 14
Liver
Term | Definition |
---|---|
Coronary Ligaments | anteriosuperior surface of the liver that runs superiorly, then postioriorly on the right to the anterior leaf of the coronary ligaments. |
Left triangular Ligament | anteriosuperior surface of the liver that runs superiorly then posteriorly on the right to left triangular ligament. |
Gillison's Capsule | tight fibrous capsule surrounding the liver |
Greater sac | protective, thin layer that encloses most of the organs |
Quadrate Lobe | The anterior mid-portion of the inferior surface is the medial portion of the left lobe of the liver. |
Right Lobe | largest lobe of the liver, occupying most of the right hypochandrium |
Caudate Lobe | smallest lobe of the liver, bordered by fossa for the IVC, falciform ligament and lesser omentum |
Lesser Sac | small sac posterior to the stomach and anterior to the pancreas and part of the transverse colon |
Left Portal Vein | branch of the main portal vein that marks the anterior border of the caudate lobe and carries blood from the gastrointestinal tract to the left lobe |
Epiploic Foramen of Winslow | the opening of the greater sac of the peritoneal cavity and the lesser sac |
Bare Area | only area of the liver not covered by peritoneum |
Falciform Ligament | divides right and left lobes |
Right Triangular Ligament | helps form the boundary of the bare area of the liver |
Left Hepatic Vein | one of the 3 main veins draining the liver via the IVC, drains the left lobe |
Ligamentum Venosum | marks the left anteriolateral border of the caudate lobe, travels with the transverse fissure |
Lesser Omentum | double layer of omentum that extends from the liver to part of the duodenum |
Gastrohepatic Ligament | portion of the lesser omentum that extends across the transverse fissure for the ligamentum venosum at the porta hepatis of the lesser curvature of the stomach |
Greater Omentum | a great fold of peritoneum that hangs from the stomach and covers the intestines |
Right Hepatic Vein | one of the 3 main veins draining the liver via the IVC, drains the right lobe of the liver |
Middle Hepatic Vein | one of the 3 main veins draining the liver via the IVC, drains a portion of the right and medial left lobes of the liver |
Portal Triad | portion of the portal veins, biliary duct, and hepatic artery that are disbursed throughout the liver, can be seen microscopically |
Couinaud's Liver Segmentation | divison of liver segments based on hepatic or portal venous anatomy, used for dividing liver into 8 segments |
Hemiliver | right or left half of liver, based on coninauds liver segmentation |
Main Lobar Fissure | echogenic line connecting the neck of the gallbladder to the right portal vein |
Portal Confluence | union of the splenic, superior and inferior mesenteric veins near the head of the pancreas that forms the portal vein before entering the liver |
Main Portal Vein | formed by the splenic, superior and inferior mesenteric veins. Drains blood from the gastrointestinal tract to the liver o be processed. |
Right Portal Veins | branch of the main portal vein that carries blood from the gastrointestinal tract to the right lobe of the liver |
Common Hepatic Artery | branch of the celiac axis that supplies the liver and divides into the gastroduodental artery and the proper hepatic artery |
Proper Hepatic Artery | divison of the common hepatic artery that supplies the liver |
Subphrenic Space | located posteriorly and inferiorly, forms parts of morrison's pouch |
Subhepatic Space | located posteriorly and inferiorly, forms parts of morrison's pouch |
Hepatoduodenal Ligaments | portion of the lesser omentum that extends as the right free border of the gastrohepatic ligament to the proximal duodenum and the right flexure of the colon |
Transverse Fissure | fissure that conveys the ligamentum venosum |
Porta Hepatis | area of the hilus where the portal vein, hepatic artery enter and common bile duct exits |
Round Ligament | terminal end of the falciform ligament |
Reidel's Lobe | normal variant of the right lobe, extends caudally into the abdomen and towards the iliac crest |
Papillary Process | normal variant of the caudate lobe. Process can extend distally from the lobe and mimic a lesion |
Ligamentum Venosum | marks the left anterolateral border of the caudate lobe, travels with the transverse fissure |