'Sup?

It is the preferred anatomy classification system as it divides the liver into eight independent functional units (termed segments) rather than relying on the traditional morphological description based on the external appearance of the liver. The segments are numbered in Roman numerals I to VIII.  (pronounced kwee-NO)

Cantlie's line  is a vertical plane that divides the liver into left and right lobes creating the principal plane used for hepatectomy. CAN'T LIE!!!! RED LINE

A portal venous system occurs when a capillary bed pools into another capillary bed through veins, without first going through the heart. Both capillary beds and the blood vessels that connect them are considered part of the portal venous system. Hepatic portal system Hypophyseal portal system