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The caudate lobe has a complex blood supply system. It derives its arterial supply from the caudate arteries, which arise from the right, left, and middle hepatic arteries that are connected to each other. [7] Besides, the caudate lobe also derives its supply from the right and left branches of the portal vein.
The caudate lobe is a separate structure which receives blood flow from both the right- and left-sided vascular branches. [5] [6] The Caudate lobe includes: (1) the Spiegel lobe; (2) the paracaval portion; and (3) the caudate process portion. The Spiegel lobe has its portal venous and biliary branches ramified mainly from the left-side tract.
The caudate head receives its blood supply from the lenticulostriate artery; the tail of the caudate receives its blood supply from the anterior choroidal artery. [8] Transverse view of the caudate nucleus from a structural MR image. The head and body of the caudate nucleus form part of the floor of the anterior horn of the lateral ventricle ...
In the widely used Couinaud system, the functional lobes are further divided into a total of eight subsegments based on a transverse plane through the bifurcation of the main portal vein. [30] The caudate lobe is a separate structure that receives blood flow from both the right- and left-sided vascular branches.
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 portal triads, hepatocytes arranged in linear cords between a capillary network, and a central vein.
The anterior limb of the internal capsule (or crus anterius) is situated in front of the genu, between the head of the caudate nucleus and the lentiform nucleus. [4] It contains: Thalamocortical fibers passing from the lateral thalamic nuclei to the frontal lobe [4] Corticothalamic fibres passing from the frontal lobe to the lateral thalamic ...
The right hepatic vein is the longest and largest of all the hepatic veins. It drains the liver segments VI and VII in their entirety, and variably participates in the drainage of segments V and VIII; the extent of drainage of the latter two segments by the right hepatic veins as opposed to the middle hepatic vein and possible variant accessory veins determines the calibre of the right hepatic ...
It is formed by the union of the right hepatic duct (which drains bile from the right functional lobe of the liver) and the left hepatic duct (which drains bile from the left functional lobe of the liver). [3] The duct is about 3 cm long. [4] The common hepatic duct is about 6 mm in diameter in adults, with some variation. [5]