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- away from Ad- toward Ante- before Circum- around

Ab- away from Ab- + -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 Endo- within/inside + -genous(produced from) Ectogenous-produced outside Endogenous-produced inside

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

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

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

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

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

Direction and Position Infra- below; beneath Inter- between Intra- within Meta- beyond Para- 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- through Peri- around Post- after Pre- before; in front of Pro- before Retro- back; behind

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

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

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

A- No A- + septic (infection) =aseptic -no infection

Prefixes – Numbers Bi- two Hemi-; semi- half Mono-; uni- one Multi-; poly- many Quadri- four Tri- 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- apart; up Auto- self Brady- slow Dys- bad; abnormal; difficult; painful Macro- large Mal- bad

Miscellaneous Micro- small Neo- new Pan- all Syn-; sym- together; with; joined Tachy- 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

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