Which prefix means through, across?

Master the Dean Vaughn Medical Terminology Test. Engage with flashcards and quizzes, detailed explanations provided. Enhance your medical vocabulary for exam success.

Multiple Choice

Which prefix means through, across?

Explanation:
Prefixes in medical terminology show direction or location. trans- means through or across, as in transdermal (through the skin), transport (to carry across), and transverse (across). The other options don’t fit this meaning: contra- means against; cantho- relates to the canthus of the eye; semen is not a prefix—semi- would be the prefix meaning half. So trans- is the one that means through, across.

Prefixes in medical terminology show direction or location. trans- means through or across, as in transdermal (through the skin), transport (to carry across), and transverse (across). The other options don’t fit this meaning: contra- means against; cantho- relates to the canthus of the eye; semen is not a prefix—semi- would be the prefix meaning half. So trans- is the one that means through, across.

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