Download PREFIXES

JOSE S. SANTIAGO M.D.
TERMS TO REMEMBER
 Duction-process of moving
 Lateral-side
 Natal-birth
 Septic-about infection
TERMS TO REMEMBER
 -genous: produced by
 -mortem: death
 -plasia:formation;development
 -plegia: paralysis(unable to move)
 -version: turning;tilting
PREFIXES OF DIRECTION AND
POSITION
Prefixes –
Direction and Position
 Ab Ad-
 Ante Circum-
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away from
toward
before
around
Ab Ab-
away from
+ -duction=Abduction
 Moving away from
Ad-
toward
 Ad- + duction = Adduction
 Moving toward the
midline
Circum-
around
 Circum- + duction=circumduction
 Moving in a circular motion
Ante-/pre-
before
 Ante- + natal = antenatal
 Pre-
+ natal= prenatal
 Before birth
Post-
after
 Post- + natal= postnatal
 After birth
Prefixes –
Direction and Position
 Ecto-
outside
 Endowithin/inside

+ -genous(produced from)
 Ectogenous-produced outside
 Endogenous-produced inside
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Direction and Position
 Epi E-; ex-; exo-;
extra Hyper Hypo In12
upon; on; above
out; outward;
outside
excessive; above
below; under;
deficient
in; into
E-; ex-; exo-;
extra E-
out; outward;
outside
+ version =eversion
 Turning out
In-
in;into
 In- + version =inversion
 Turning in
Epi-
upon;on;above
 Epi- + gastric (stomach)=epigastric
 Upon the stomach
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Hypo-
below;under;deficient
 hypo + gastric (stomach)=hypogastric
 below the stomach
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Direction and Position
 Infra Inter-
 Intra Meta-
 Para-
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below; beneath
between
within
beyond
beside; near
Infra-
below;beneath
 Infra- + umbilical (umbilicus)
 =Infraumbilical
 -below the umbilicus
Supra-
above
 Supra- + umbilical (umbilicus)
 =Supraumbilical
 -above the umbilicus
Peri-
around
 Peri- + umbilical (umbilicus)
 =Periumbilical
 -around the umbilicus
Inter-
between
 Inter- + cellular(cell)
 =intercellular
 =between cells
Intra-
within
 Intra- + cellular(cell)
 =intracellular
 =within the cell
Direction and Position
 Per Peri-
 Post Pre-
 Pro Retro23
through
around
after
before; in front of
before
back; behind
Direction and Position
 Sub Supra-
 Trans Ultra-
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under; below
above
across
beyond
Negative Prefixes
 Anti A-; an-
 Contra In-
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against
no; not; lack of
against; opposite
not
Anti-
against
 Anti- + septic (infection)
 =antiseptic
 -against infection
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A-
No
 A- + septic (infection)
 =aseptic
 -no infection
Prefixes – Numbers
 Bi Hemi-; semi-
 Mono-; uni Multi-; poly-
 Quadri Tri28
two
half
one
many
four
three
Uni-
one (1)
 Uni- + lateral (side)
 =unilateral
 -one side
Bi-
two (2)
 Bi- + lateral (side)
 =bilateral
 -two sides/both sides
Contra-
opposite
 Contra- + lateral (side)
 =contralateral
 =opposite sides
Ipsi-
same;similar
 Ipsi- + lateral (side)
 =ipsilateral
 =same side
 =similar side
Hemi-
half (50%)
 Hemi- + plegia(paralysis)
 =hemiplegia
 Paralysis of 1 side
of the body
Para-
beyond
 Para- + plegia(paralysis)
 =paraplegia
 =paralysis from the
waist down to the
feet
Quadri-
four (4)
 Quadri- + plegia(paralysis)
 =quadriplegia
 =paralysis from the
neck down to the
feet
Prefixes – Miscellaneous
 Ana Auto-
 Brady Dys Macro Mal36
apart; up
self
slow
bad; abnormal;
difficult; painful
large
bad
Miscellaneous
 Micro Neo-
 Pan Syn-; sym-
 Tachy-
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small
new
all
together; with; joined
fast; rapid
Brady-
slow
 Brady- + cardia (heart)
 =Bradycardia
 =slow heart rate
 HR < 60 beats/min
Tachy-
fast
 Tachy- + cardia (heart)
 =tachycardia
 =fast heart rate
 HR > 100 beats/min
THANK YOU