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Dictionary · Word part

plasm/o

A word root that means plasma, the liquid part of blood, or formed material.

PLAZ-moe root

What it means

The root in words about blood plasma, such as plasmapheresis (removing plasma from the blood and returning the cells). As the ending -plasm it means formed substance: cytoplasm is the material inside a cell, and a neoplasm is a new growth, a tumor.

At a glance

Also writtenplasmo-, plasm-

Related terms

cyt/o

A word part that means cell.

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