Which prefix means left?

Prepare for the Medical Terminology Test. Use flashcards and multiple-choice questions, with hints and explanations for each question to strengthen your understanding. Get ready for your exam!

Multiple Choice

Which prefix means left?

Explanation:
Left-side is shown in medical terminology by the prefix sinistr/o-, which comes from Latin sinister meaning left. When you see terms built with sinistr/o-, they refer to the left side of the body or left-handed orientation, as in sinistral. The other prefixes here describe other directions or positions: post- means after or behind, sub- means under, and trans- means across or through. So sinistr/o- is the correct way to denote left. For contrast, the opposite prefix for right is dextr/o-.

Left-side is shown in medical terminology by the prefix sinistr/o-, which comes from Latin sinister meaning left. When you see terms built with sinistr/o-, they refer to the left side of the body or left-handed orientation, as in sinistral. The other prefixes here describe other directions or positions: post- means after or behind, sub- means under, and trans- means across or through. So sinistr/o- is the correct way to denote left. For contrast, the opposite prefix for right is dextr/o-.

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