Which prefix means pus?

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Multiple Choice

Which prefix means pus?

Explanation:
Pyo- denotes pus. It comes from Greek and is used in medical terms to indicate a condition involving pus, such as pyoderma (pus on the skin), pyogenic (pus-producing), or pyocele (pus in a cavity). The other prefixes point to different ideas: pyrex(o) relates to fever (pyrexia), quadr(i)- means four, and radi(o) relates to rays or radiating, not pus. So the prefix meaning pus is pyo-.

Pyo- denotes pus. It comes from Greek and is used in medical terms to indicate a condition involving pus, such as pyoderma (pus on the skin), pyogenic (pus-producing), or pyocele (pus in a cavity). The other prefixes point to different ideas: pyrex(o) relates to fever (pyrexia), quadr(i)- means four, and radi(o) relates to rays or radiating, not pus. So the prefix meaning pus is pyo-.

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