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):
Nerve fibres are abundant in the liver, particularly in the portal triads.
The problem sometimes results from obstruction of the portal circulation.
Portal hypertension is a common related condition that is caused by liver damage.
Clotting time increases because the high portal pressure backs up blood into the spleen, destroying platelets.
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.
On-line correction of beam portals in the treatment of prostate cancer using an endorectal balloon device.
Good immobilisation during treatment allows for optimisation of treatment portals by minimising necessary set-up margins.
As per above descriptions of radiation portals, it is intended to treat the stomach and locoregional target volumes by more than two fields.
The patient is scanned supine, feet first, with a full bladder to displace small bowel loops anteriorly from the treatment portals.
To be sure the extirpation of the dinosaurs seemingly opened the portals to the mammals, yet even in this event many other groups went through with little change.
Would radiation portals be adjusted or added?
Regulated portals of entry into the cell.
Naturally, its portals faced westward.
中文繁体
入口網頁, 大門網站…
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门户网页, 门户网站…
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portal, portal [masculine, singular]…
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portal…
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portal…
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internette arama yapmak için kullanılan sayfa, portal…
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portail [masculine]…
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portal [masculine]…
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