The prefix meaning within is?

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Multiple Choice

The prefix meaning within is?

Explanation:
The prefix meaning within is intra-. Intra- denotes inside or within a boundary, so it works for terms like intramuscular or intracardiac, which describe something occurring inside the muscle or inside the heart. The other prefixes describe different spatial relationships: inter- means between, extra- means outside or beyond, and peri- means around. That makes intra- the best fit for “within.”

The prefix meaning within is intra-. Intra- denotes inside or within a boundary, so it works for terms like intramuscular or intracardiac, which describe something occurring inside the muscle or inside the heart. The other prefixes describe different spatial relationships: inter- means between, extra- means outside or beyond, and peri- means around. That makes intra- the best fit for “within.”

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