Prefixes & Suffixes

The following list is by no means complete, but it may help in understanding some difficult terminology. The following abbreviations are used ; Gr., for the Greek ; L., for the Latin.

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Term Definition
axo, ax, axio, axon

(Gr., axine-axis)-pertaining to an axis.
auto-

(Gr., self), autosynthesis , self-building up.
aster-

(Gr., star), Asteroidea , class of echinoderms resembling stars.
asco-

(Gr., sac or bag), Ascomycetes , class of sac-bearing fungi.
arthr-

(Gr., joint), Arthropoda , phylum of invertebrateanimals with jointed appendages or feet.
areol-

(L., space), areolar , containing minute spaces.
arch-

(Gr., early or chief), archenteron , early digestive tract or enteron ; Archeozoic , earliest era of geologic history.
aqua-

(L., water), aquatic , living in water.
apo-

(Gr., away or separate), apodeme , ingrowth from the exo-skeleton of most arthropods.
antr-

(L., cavity), antrum , cavity of a bone.
anti-

(Gr., opposed or opposite), antitoxin , antibody opposed to or neutralizing a toxin.
antho-

(Gr., anthos = flower), Anthozoa-flower-like coelenterates.
ante-

(L., before in time or space), antedorsal , placed before dorsal.
angio-

(Gr., enclosed), angiosperm , plant with enclosed or protected seeds.
ana-

(Gr., back or again), anabolism , building-up processof metabolism.