1. PREFIXES
JOSE S. SANTIAGO M.D.

2. TERMS TO REMEMBER Duction-process of moving Lateral-side Natal-birth
Septic-about infection

3. TERMS TO REMEMBER -genous: produced by -mortem: death
-plasia:formation;development
-plegia: paralysis(unable to move)
-version: turning;tilting

4. PREFIXES OF DIRECTION AND POSITION

5. Prefixes – Direction and Position
Ab- away from
Ad- toward
Ante before
Circum- around

6. Ab away from
Ab duction=Abduction
Moving away from

7. Ad toward
Ad duction = Adduction
Moving toward the
midline

8. Circum- around Circum- + duction=circumduction
Moving in a circular motion

9. Ante-/pre- before Ante- + natal = antenatal Pre- + natal= prenatal
Before birth

10. Post after
Post- + natal= postnatal
After birth

11. Prefixes – Direction and Position
Ecto- outside
Endo- within/inside
+ -genous(produced from)
Ectogenous-produced outside
Endogenous-produced inside

12. Direction and Position
Epi- upon; on; above
E-; ex-; exo-; out; outward; extra- outside
Hyper- excessive; above
Hypo- below; under; deficient
In- in; into

13. E-; ex-; exo-; out; outward; extra- outside
E version =eversion
Turning out

14. In in;into
In- + version =inversion
Turning in

15. Epi- upon;on;above Epi- + gastric (stomach)=epigastric
Upon the stomach

16. Hypo- below;under;deficient
hypo + gastric (stomach)=hypogastric
below the stomach

17. Direction and Position
Infra- below; beneath
Inter- between
Intra- within
Meta- beyond
Para- beside; near

18. Infra- below;beneath Infra- + umbilical (umbilicus) =Infraumbilical
-below the umbilicus

19. Supra- above Supra- + umbilical (umbilicus) =Supraumbilical
-above the umbilicus

20. Peri- around Peri- + umbilical (umbilicus) =Periumbilical
-around the umbilicus

21. Inter between
Inter cellular(cell)
=intercellular
=between cells

22. Intra within
Intra cellular(cell)
=intracellular
=within the cell

23. Direction and Position
Per- through
Peri- around
Post- after
Pre- before; in front of
Pro- before
Retro- back; behind

24. Direction and Position
Sub- under; below
Supra- above
Trans- across
Ultra- beyond

25. Negative Prefixes Anti- against A-; an- no; not; lack of
Contra- against; opposite
In- not

26. Anti- against Anti- + septic (infection) =antiseptic
-against infection

27. A No
A septic (infection)
=aseptic
-no infection

28. Prefixes – Numbers Bi- two Hemi-; semi- half Mono-; uni- one
Multi-; poly- many
Quadri- four
Tri- three

29. Uni one (1)
Uni- + lateral (side)
=unilateral
-one side

30. Bi two (2)
Bi- + lateral (side)
=bilateral
-two sides/both sides

31. Contra- opposite Contra- + lateral (side) =contralateral
=opposite sides

32. Ipsi- same;similar Ipsi- + lateral (side) =ipsilateral =same side
=similar side

33. Hemi- half (50%) Hemi- + plegia(paralysis) =hemiplegia
Paralysis of 1 side
of the body

34. Para- beyond Para- + plegia(paralysis) =paraplegia =paralysis from the
waist down to the
feet

35. Quadri- four (4) Quadri- + plegia(paralysis) =quadriplegia
=paralysis from the
neck down to the
feet

36. Prefixes – Miscellaneous
Ana- apart; up
Auto- self
Brady- slow
Dys- bad; abnormal; difficult; painful
Macro- large
Mal- bad

37. Miscellaneous Micro- small Neo- new Pan- all
Syn-; sym- together; with; joined
Tachy- fast; rapid

38. Brady- slow Brady- + cardia (heart) =Bradycardia =slow heart rate
HR < 60 beats/min

39. Tachy- fast Tachy- + cardia (heart) =tachycardia =fast heart rate
HR > 100 beats/min

40. THANK YOU