Which prefix means three?

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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 three?

Explanation:
Understanding prefixes that express number in medical terms: tri- means three. When tri- attaches to a root, it indicates three of something, as in triceps (three heads), tripod (three supports), or triglyceride (three fatty acids). The other options point to anatomical structures rather than a numeric prefix: ovario- relates to the ovary, col- (often seen in terms about the colon) relates to the large intestine, and laryng- relates to the larynx. So the prefix that means three is tri-.

Understanding prefixes that express number in medical terms: tri- means three. When tri- attaches to a root, it indicates three of something, as in triceps (three heads), tripod (three supports), or triglyceride (three fatty acids). The other options point to anatomical structures rather than a numeric prefix: ovario- relates to the ovary, col- (often seen in terms about the colon) relates to the large intestine, and laryng- relates to the larynx. So the prefix that means three is tri-.

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