portal lobule of liver n.
A polygonal mass of liver tissue that at its center has a portal canal and at its periphery several central hepatic veins.
- Portal site
noun a Web site that offers miscellaneous content in an effort to become the home page for users Word Origin from portal meaning ‘gateway’
noun, Anatomy. 1. a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins. 2. (loosely) the hepatoportal system. portal system n. A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second […]
[pawr-tl-tuh-pawr-tl, pohr-tl-tuh-pohr-t] /ˈpɔr tl təˈpɔr tl, ˈpoʊr tl təˈpoʊr t/ adjective 1. noting or pertaining to the time a worker spends from entering the workplace to stepping outside, especially in relation to pay. adjective 1. of or relating to the period between the actual times workers enter and leave their mine, factory, etc: portal-to-portal pay
- Portal-systemic encephalopathy
portal-systemic encephalopathy n. Encephalopathy associated with cirrhosis of the liver, attributed to the passage of toxic nitrogenous substances from the portal to the systemic circulation. Also called hepatic encephalopathy.