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| a chattering or flighty, light-headed person. |
| a scrap or morsel of food left at a meal. |
portal por·tal (pôr'tl)
adj.
Of or relating to a porta or hilum.
Of or relating to the portal vein or the portal system.
Of or relating to a point of entrance to an organ, especially the transverse fissure of the liver, through which the blood vessels enter.
The portal vein.
The point of entry into the body of a pathogenic microorganism.