ambi-

amphi-

ampho-

-both

Ambidextrous (ability to use both hands equally)

Amphoteric (both acid and base)

Amphibious (living both on land and water)

ana-

-up, toward, apart

Anatomy (to cut apart)

Anabolism (building up)

a-

an-

-without, lack of, not

Afebrile (without fever)

Anemia (lack of blood)

ab-

-away from

Abductor (leading away from)

Aboral (away from mouth)

ad-

-toward, to, near

Adductor (leading toward)

Adrenal (near kidney)

ante-

-before, in front of, forward

Antenatal (before birth)

Antemortem (before death)

anti-

-against, opposing

Antisepsis (against infection)

Antibiotic (against microbial life)

apo-

-separation from, derived from

Apocrine (secretion containing cell parts)

Apomorphine (drug derived from morphine)

auto-

-self

Autogenous (self generating)

Autolysis (self dissolving)

bi-

-two, double, twice

Biceps (muscle with two heads)

Bifurcate (divide into two branches)

cata-

-down, under, lower, against

Catabolism (breaking down)

Catalepsy (reduced movement)

circum-

-around

Circumflex (winding around)

Circumanal (surrounding the anus)

co-

com-

con-

-with, together

Commisure (coming together)

Conductor (leading together)

contra-

-opposed, against

Contralateral (opposite side)

Contraception (prevention of conception)

de-

-reverse, remove

Dehydrate (remove water from)

Defibrillate (stop fibrillation)

di-

-two, twice

Diphasic (having two stages)

Dichromic (having two colors)

dia-

-between, through, apart, across, completely

Diapedesis (ooze through)

Diaphragm (wall across)

Diagnosis (complete knowledge)

dis-

-apart from, free from

Disinfection (to free from infection)

Dissect (cut apart)

Disarticulation (separation at a joint)

dys-

-difficult, painful, abnormal

Dyspnea (difficult breathing)

Dyscrasia (abnormal condition)

Dysuria (difficult or painful urination)

e-

ec-

ex-

-out of, from, away

Enucleate (remove whole from)

Ectopic (out of place)

Exostosis (outgrowth of bone)