Procedure whereby plasma is separated and extracted from anticoagulated whole blood and the red cells retransfused to the donor. Plasmapheresis is also employed for therapeutic use.
Towboat
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A vessel constructed for being towed, as a canal boat.
Towboat meaning & definition 1 of Towboat.
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A self-propelled vessel which moves other, usually non-self-propelled vessels. May be in the form of a pushboat, a square- or flat-bow boat designed to rigidly connect to a [barge] or barges for the purpose of pushing it or them along a waterway. Not quite the same as a tugboat, which usually assists ships.
Towboat meaning & definition 2 of Towboat.
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