portal system

portal system

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.

Origin:
1850–55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Portal system is always a great word to know.
So is femur. Does it mean:
a large duct that transports bile from the liver, having in humans and many other vertebrates a side branch to a gallbladder for bile storage
the thighbone of the human leg, extending from the pelvis to the knee, that is the longest, largest, and strongest in the body
American Heritage
Medical Dictionary

portal system n.
A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second capillary network.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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