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Prefixes & Plurals
Prefixes & Plurals in Veterinary Terminology
| Term | Definition |
|---|---|
| AB- | Away from. |
| AD- | Towards. |
| DYS- | Painful, difficult or bad. |
| EU- | Good, easy or normal. |
| ENDO- | Within, inside. |
| EX- & EXO- | Outside, without, out of, away from. |
| ECTO- | Outside. |
| HYPER- | Increased, more than normal. |
| HYPO- | Decreased, depressed, less than normal. |
| INTER- | Between. |
| INTRA- | Within. |
| POLY- | Many. |
| OLIGO- | Scant or little. |
| PRE- | Before. |
| POST- | After. |
| SUB- | Below, under, less. |
| SUPER- & SUPRA- | Above, beyond, excessive. |
| A- & AN- | Without or no. |
| ANTI- | Against. |
| BRADY- | Abnormally slow. |
| CONTRA- | Against, opposed. |
| DE- | Remove, loss of, take away. |
| DIA- | Through, apart, across, between. |
| DIS- | Reversal, separation. |
| EPI- | Above. |
| MAL- | Bad, poor. |
| PATH/O- | Disease. |
| PY- | Pus. |
| TACHY- | Abnormally rapid. |
| ANKYL/O- | Bent, looped, fused. |
| AUTO- | Self. |
| BI- | Two, twice, double. |
| CRYPT/O- | Hidden, concealed, depression on a surface. |
| INFRA- | Below, beneath. |
| LITH/O- | Stone, calculus. |
| MEGAL/O- & MEGA- | Abnormally large. |
| NECR/O- | Dead, decaying. |
| NEO- | New, recent. |
| PHAG/O- | Eating, swallowing. |
| PSEUD/O- | False. |
| SCLER/O- | Hardening. |
| If the singular ending is: s, ch, or sh | Add -es. |
| If the singular ends in 'y' | Remove -y and add -ies. |
| If the singular word ends in 'is' | Remove -is and add -es. |
| If the singular ending is 'um' | Remove -um and add -a. |
| If the singular word ends in 'us' | Remove -us and add -i. |
| If the singular ending is 'a' | Remove -a and add -ae. |
| If the singular word ends in: ix, ex or yx | Remove -ix, -ex, -yx and add -ices. |
| If the singular word ends in 'ax' | Remove -ax and add -aces. |
| If the singular word ends in 'ma' | Add -s. |
| If the singular ending is 'oma' | Remove -oma and add -omata. |
| If the singular word ends in 'nx' | Remove -nx and add -nges. |
| If the singular ending is 'on' | Remove -on and add -a. |