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Dictionary · Word part

extra-

A word beginning that means outside or beyond.

EK-struh prefix

What it means

The beginning of words for something outside a boundary. Extracellular fluid is outside the cells, extravasationek-strav-uh-SAY-shunThe leaking of an IV drug that damages tissue (a vesicant) out of the vein into the surrounding tissue.extra- outsidevas/o vessel-ation processFull entry is the leaking of an IV drug out of the vein into the tissue, and extrapyramidal symptoms come from brain pathways outside the main motor (pyramidal) tracts. Its opposite is intra-IN-truhA word beginning that means inside or within.Full entry , within.

Related terms

intra-

A word beginning that means inside or within.

extravasation

The leaking of an IV drug that damages tissue (a vesicant) out of the vein into the surrounding tissue.

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