0 a way to get or do something: --
1 an entrance to a building, especially a large or important one: --
2 relating to an opening to an organ in the body, especially the opening where blood vessels (= thin tubes that carry blood) enter the liver (= a large organ that cleans the blood): --
Clotting time increases because the high portal pressure backs up blood into the spleen, destroying platelets.
Portal hypertension is a common related condition that is caused by liver damage.
The problem sometimes results from obstruction of the portal circulation.
Nerve fibres are abundant in the liver, particularly in the portal triads.
3 a large and often highly decorated entrance to a building: --
4 a page on the World Wide Web that users can change so it shows information they want to see: --
5 a website that collects information on a particular subject and has links (= connections) to other websites with related information: --
Welcome to the Murray Portal, an educational resource for all those involved in teaching and learning.
A role does exist for government to encourage and help to fund portals of that kind.
I believe that two motorways are already needed for traffic either to the ports or to the portals of the tunnel.
We either walk through the portals and get into stage 3, or we are frustrated and cannot get in.
The existing law already gives power, once a man enters the portals of the prison, for him to be examined.
They all pass through its portals and many of them are entertained there.
Varying means of portals were the next.
In addition to a demonstrated role in signal transduction within the host cell, lipid rafts serve as portals of entry for various pathogens, including viruses, bacteria and their toxins.
Naturally, its portals faced westward.