3 Lecture Notes A PowerPoint Presentation Prefixes Classroom Activity to Accompany Medical Terminology Systems, Seventh Edition Barbara A. Gylys ∙ Mary Ellen Wedding

Prefix Word element placed at the beginning of a word 3 PREFIXES Prefix Word element placed at the beginning of a word Changes the meaning of the word Not contained in all medical terms Most prefixes same as in the English language Pedagogical Note: Discussion can focus on the similarity of prefixes used in a medical term and those in the English language. Students can cite examples of prefixes in the English language. An early discussion of this type helps them feel confident in their ability to absorb the information in this chapter. 2

Prefix Types Position Number and Measurement Direction 3 PREFIXES Prefix Types Position Number and Measurement Direction Other common prefixes Used to change the meaning of a word 3

Prefixes of Position Describe a place or location 3 epi/gastr/ic inter/cost/al pre/nat/al post/nat/al sub/nas/al Pedagogical Note: You can use these types of slides to reinforce the word building rules as well as the guidelines for defining medical words. You can introduce and review all word parts with these types of slides. You may also develop additional slides to suit the objectives of the course. 4

Prefixes of Number and Measurement 3 PREFIXES Prefixes of Number and Measurement Describe an amount, size, or degree of involvement poly/phobia macro/cyte micro/cyte quadri/plegia tri/cepts 5

Prefixes of Direction Indicate a pathway or route 3 circum/ren/al extra/crani/al intra/muscul/ar para/nas/al supra/ren/al endo/crine 6

Other Common Prefixes Used to change the meaning of a word 3 anti/bacteri/al an/esthesia a/mast/ia eu/pnea dys/pnea homo/graft Pedagogical Note: You can use these types of slides to reinforce the word building rules as well as the guidelines for defining medical words. You can introduce and review all word parts with these types of slides. You may also develop additional slides to suit the objectives of the course. 7

Identify the Prefixes of Position Exercise 3 PREFIXES Identify the Prefixes of Position Exercise between: above, upon: after, behind: under, below, deficient: Pedagogical Note: Encourage your students to enhance and reinforce their study of suffixes by visiting the DavisPlus web site and completing the flash-card activities. 8

Identify the Prefixes of Position Exercise 3 PREFIXES Identify the Prefixes of Position Exercise between: inter- above, upon: epi- after, behind: post- under, below, deficient: hypo- Pedagogical Note: You may also develop slides asking the student to define the prefixes. In other words, reverse the question and answer in the slides. 9 9

Identify the Prefixes of Position Exercise 3 PREFIXES Identify the Prefixes of Position Exercise backward, behind: before, in front of: under, below: 10 10

Identify the Prefixes of Position Exercise 3 PREFIXES Identify the Prefixes of Position Exercise backward, behind: retro- before, in front of: pre-, pro- under, below: infra-, sub- 11 11

Identify the Prefixes of Number and Measurement Exercise 3 PREFIXES Identify the Prefixes of Number and Measurement Exercise four: large: small: three: Pedagogical Note: You may also develop slides asking the student to define the prefixes. In other words, reverse the question and answer in the slides. 12 12

Identify the Prefixes of Number and Measurement Exercise 3 PREFIXES Identify the Prefixes of Number and Measurement Exercise four: quadri- large: macro- small: micro- three: tri- Pedagogical Note: You may also develop slides asking the student to define the prefixes. In other words, reverse the question and answer in the slides. 13 13

Identify the Prefixes of Number and Measurement Exercise 3 PREFIXES Identify the Prefixes of Number and Measurement Exercise two: first: one-half: none: 14 14

Identify the Prefixes of Number and Measurement Exercise 3 PREFIXES Identify the Prefixes of Number and Measurement Exercise two: bi- first: primi- one-half: hemi-, semi- none: nulli- 15 15

Identify the Prefixes of Number and Measurement Exercise 3 PREFIXES Identify the Prefixes of Number and Measurement Exercise 9. double: 10. one: 11. many, much: 16 16

Identify the Prefixes of Number and Measurement Exercise 3 PREFIXES Identify the Prefixes of Number and Measurement Exercise 9. double: di-dipl-, diplo- 10. one: mono-, uni- 11. many, much: multi-, poly- 17 17

Identify the Prefixes of Direction Exercise 3 PREFIXES Identify the Prefixes of Direction Exercise upper, above: from, away from: toward: above; excessive; superior: Pedagogical Note: You may also develop slides asking the student to define the prefixes. In other words, reverse the question and answer in the slides. 18 18

Identify the Prefixes of Direction Exercise 3 PREFIXES Identify the Prefixes of Direction Exercise upper, above: super- from, away from: ab- toward: ad- above; excessive; superior: supra- Pedagogical Note: You may also develop slides asking the student to define the prefixes. In other words, reverse the question and answer in the slides. 19 19

Identify the Prefixes of Direction Exercise 3 PREFIXES Identify the Prefixes of Direction Exercise around: through, across: in, within: outside, outward: 20 20

Identify the Prefixes of Direction Exercise 3 PREFIXES Identify the Prefixes of Direction Exercise around: circum-, peri- through, across: dia-, trans- in, within: endo-, intra- outside, outward: ecto-, exo-, extra- 21 21

Identify the Prefixes of Direction Exercise 3 PREFIXES Identify the Prefixes of Direction Exercise 9. slow: 10. rapid: 11. different: 12. false: 22 22

Identify the Prefixes of Direction Exercise 3 PREFIXES Identify the Prefixes of Direction Exercise 9. slow: brady- 10. rapid: tachy- 11. different: hetero- 12. false: pseudo- 23 23

Identify Common Prefixes Exercise 3 PREFIXES Identify Common Prefixes Exercise bad; painful; difficult: good, normal: bad: union, together, joined: Pedagogical Note: You may also develop slides asking the student to define the prefixes. In other words, reverse the question and answer in the slides. 24 24

Identify Common Prefixes Exercise 3 PREFIXES Identify Common Prefixes Exercise bad; painful; difficult: dys- good, normal: eu- bad: mal- union, together, joined: syn- Pedagogical Note: The prefix syn- appears as sym- before b, p, ph, or m. Examples may be integrated on another slide. 25 25

Identify Common Prefixes Exercise 3 PREFIXES Identify Common Prefixes Exercise without, not: against: same: 26 26

Identify Common Prefixes Exercise 3 PREFIXES Identify Common Prefixes Exercise without, not: a-, an- against: anti-, contra- same: homo-, homeo- Pedagogical Note: The prefix a- is usually used before a consonant; the prefix an- is usually used before a vowel. 27 27

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise paralysis of four (limbs): /plegia three heads: /ceps pertaining to one nucleus: /nucle/ Pedagogical Note: Encourage your students to enhance and reinforce their study of suffixes by visiting the DavisPlus web site and completing the flash-card activities. 28 28

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise paralysis of four (limbs): quadri/plegia three heads: tri/ceps pertaining to one nucleus: uni/nucle/ar 29 29

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise pertaining to between the ribs: /cost/ pertaining to (the period) after birth: /nat/ double vision: /opia pertaining to under the skin: /derm/ 30 30

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise pertaining to between the ribs: inter/cost/al pertaining to (the period) after birth: post/nat/al double vision: dipl/opia pertaining to under the skin: hypo/derm/ic 31 31

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise 8. flow through: dia/ 9. pertaining to around the kidney: /ren/ 10. pertaining to outside the skull: /crani/ 11. slow heart rate: /cardia 32

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise 8. flow through: dia/rrhea 9. pertaining to around the kidney: circum/ren/al 10. pertaining to outside the skull: extra/crani/al 11. slow heart rate: brady/cardia 33 33

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise without feeling: /esthesia childbirth that is bad, painful, or difficult: /tocia pregnancy that is false: /cyesis breathing that is rapid: /pnea 34 34

Complete the Medical Word Exercise 3 PREFIXES Complete the Medical Word Exercise without feeling: an/esthesia childbirth that is bad, painful, or difficult: dys/tocia pregnancy that is false: pseudo/cyesis breathing that is rapid: tachy/pnea 35 35

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise paralysis of four (limbs): instrument for examining small (objects): cell that is large: fear of many things: 36

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise paralysis of four (limbs): quadri/plegia instrument for examining small (objects): micro/scope cell that is large: macro/cyte fear of many things: poly/phobia 37 37

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise pertaining to around the kidney(s): secrete within: pertaining to one nucleus: pertaining to near, beside or beyond the nose: 38

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise pertaining to around the kidney(s): circum/ren/al secrete within: endo/crine pertaining to one nucleus: uni/nuclear pertaining to near, beside or beyond the nose: para/nas/al 39 39

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise 9. double vision: 10. paralysis of one half (of the body): 11. pertaining to under the skin: 12. pertaining to under the nose: 40 40

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise 9. double vision: dipl/opia 10. paralysis of one half (of the body): hemi/plegia 11. pertaining to under the skin: hypo/derm/ic 12. pertaining to under the nose: sub/nas/al 41 41

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise pertaining to two sides: pertaining to the period (before birth): pertaining to between the ribs: turning backward or behind: 42 42

Build a Medical Word Exercise 3 PREFIXES Build a Medical Word Exercise pertaining to two sides: bi/later/al pertaining to the period (before birth): pre/nat/al pertaining to between the ribs: inter/cost/al turning backward or behind: retro/version 43 43

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