a-, anemic
not, without, lacking, deficient
ab- absorption
from, away
ad- adhesion
to, toward
aer- aerobic
air, mist, wind
allo- allosteric
other, different
ambi- ambivalence
both -
amphi- amphibian
both, on both sides, around -
amyl- amylopectin
starch -
andro- androgen
man, masculine -
ana- anatomy
up, back, again, upon -
angi- angioplasty
blood, vessel, duct -
ante- antennae
before, in front of, ahead of -
apo- apoptotic
away from, separate -
aqua- aquatic
water
archaeo- archaeology
primitive, ancient -
-ase amylase
designation an enzyme -
arthr- arthritis
joint, articulation -
auto- autosome
self, directed from within -
anti- , antigen
against, opposite