portal system

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portal system

n.
A system of veins that begins and ends with a capillary network.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

por′tal sys`tem


n.
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.
[1850–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.portal system - system of veins that carry blood from the abdominal organs to the liverportal system - system of veins that carry blood from the abdominal organs to the liver
hepatic portal vein, portal vein, vena portae, portal - a short vein that carries blood into the liver
vascular system - the vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plant
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
As a cloud service, the solution is outsourced and managed, reducing the capital and resource burdens normally associated with stand-alone, on-premise vendor portal systems.
Industrial robots or portal systems serve as a manipulator.
Fourteen eqo portal systems that were procured by the Manila International Airport Authority (MIAA) late last year are scheduled for delivery in June.
Although the general arrangement of blood vessels in both circulations is from arteries to capillaries to veins, in some parts of the systemic circulation it is modified so that a vein or an arteriole is interposed between two capillary networks; these vessels constitute portal systems. Venous portal systems occur in vessels carrying blood to the liver, namely, the hepatic portal system (Portal vein), and in vessels leading to the pituitary, the hypothalamic- hypophyseal portal system.
Francis's results have been sufficiently intriguing to several other institutions to impel them to invite the university's technology staff to assist them in designing and implementing their own portal systems.
During the first half of 2008, for example, the North American market for IVR and voice portal systems grew at about 10 percent, according to Research & Markets.
This platform is an integrated solution composed of well integrated subsystems such as gateways, mail server systems and portal systems which incorporate multi-operator functions.
Newark CA 5/29/03 -- InVision Technologies has made an equity investment in SafeView, a maker of advanced portal systems utilizing millimeter wave holographic technology for security screening of metal and nonmetallic contraband.