Prefixes & Sufixes

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
physio-

( Or., nature), physiology , study of the nature or function of living matter.

platy-

(Or., nat), Platyhelminthes, phylum of Flatworms.

plio-

(Or., more), Pliocene , more recent geologic period.

poly-

(Or., many), Polymorphous , having many for iris.

post-

(L., after), postnatal , after birth.

pre-

(L. before), prenatal , before birth.

pro-

(Or., before), prostomium , portion ofthe head situated before the mouth of certain worms and molluscs.

proto-

(Or., first of essential), protoplasm , essential material of all plant and animal cells.

prox-

(L., nearest), proximal , nearest.

pseudo-

(Or., false), pseudopodia , false feet.

re-

(I. ., again or back), regenerate , to form again.

ren-

(I.., kidney), renal , pertaining to the kidney.

rept-

(I. ., creeping), reptile , creeping animal.

retro-

(I. ., backward), retrolingual , backward from the tongue.

rhabdo

(Or., rhabdos-rod), e.g. rhab, possessing straight rod-like intestine.