liver acinus n.
The smallest functional unit of the liver, comporising all the liver parenchyma, that is composed of segments of several hepatic lobules and has as its central axis a terminal branch of the portal vein, hepatic artery, and bile duct.
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| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a chattering or flighty, light-headed person. |