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Understanding Prefixes

3. Understanding Prefixes. Learning Objectives. Define and spell the prefixes commonly used in medical terminology. Identify prefixes in medical terms. Use prefixes to build medical terms. Common Prefixes. a- ab- bi- endo- hyper- hypo-. Common Prefixes (cont.). intra- post-

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Understanding Prefixes

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  1. 3 Understanding Prefixes

  2. Learning Objectives • Define and spell the prefixes commonly used in medical terminology. • Identify prefixes in medical terms. • Use prefixes to build medical terms.

  3. Common Prefixes • a- • ab- • bi- • endo- • hyper- • hypo-

  4. Common Prefixes (cont.) • intra- • post- • pre- • sub-

  5. Common Prefixes (cont.) anti- = against • anti- • con- • contra- • meta- bi/o = life -ic = pertaining to antibiotic

  6. Prefixes That Indicate Number or Quantity • ambi- • bi- • di-, dipl- • hemi- • mono-

  7. Diplopia (double vision)Source: Alex Melnick / Shutterstock.com

  8. Prefixes That Indicate Number or Quantity (cont.) • multi- • nulli- • pan- • poly- poly- = many arter/o = artery -itis = inflammation polyarteritis

  9. Prefixes That Indicate Number or Quantity (cont.) • primi- • quadri- • semi- • tetra- • tri- • uni-

  10. Prefixes That Indicate Location or Timing • ab- • ad- • ana- • ante-

  11. Prefixes That Indicate Location or Timing (cont.) • dia- • dis- • ec-, ecto- • endo-

  12. Figure 3.1Endogastric procedure using an endoscope to observe the internal stomach lining.

  13. Prefixes That Indicate Location or Timing (cont.) • ep-, epi- • eso- • ex-, exo- • extra-

  14. Prefixes That Indicate Location or Timing (cont.) • hypo- • infer- • inter- • intra- • para-

  15. Prefixes That Indicate Location or Timing (cont.) • peri- • post- • pre- • sub- • super-, supra- • sym-, syn-

  16. Figure 3.2 Skin Layers

  17. Prefixes That Indicate a Specific Quality about a Term • a-, an- • brady- • circum- • dys- • eu- • heter-, hetero-

  18. Prefixes That Indicate a Specific Quality about a Term (cont.) • hyper- • hypo- • macro- • mal- • mega-, megalo-

  19. Prefixes That Indicate a Specific Quality about a Term (cont.) • micro- • neo- • pseudo- • tachy- • trans- • ultra- tachy- = rapid cardi/o = heart -ia = condition of tachycardia

  20. Figure 3.3Ultrasound imaging. Source: Photodisc/Thinkstock

  21. Prefix Quiz • peri-a. through • ante-b. around • dis- c. apart • dia- d. alongside • para- e. before

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