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Medical Terminology
Ch. 1, 2 & 3 - Prefix (final)
| Term | Definition |
|---|---|
| Prefix | add on before word root to modify the meaning of the term; usually indicate time (T), position (P), direction (D), size, number, quantity and location, etc. |
| dys | difficult, bad, painful |
| epi (P) | above, on top |
| sub (P) | under, below |
| hyper (P) | above normal, excessive |
| hypo (P) | below normal |
| ante (T) | before |
| pre (T) (P) | before, in front of |
| pro (T) | before, in front of |
| post (T) (P) | after, behind |
| noct (T) | night |
| macro (S) | large |
| micro (S) | small |
| retro (P) | backward, behind |
| super (P) | above |
| supra (P) | above |
| sub (P) | under |
| infra (P) | under |
| ab (D) | away from |
| ad (D) | toward |
| dia (D) | through |
| trans (D) | through/ across |
| circum (D) | around |
| peri (T) | around |
| hemi (S) | half |
| semi (S) | half |
| ecto (D) | outside |
| exo (D) | outside |
| extra (D) | outside |
| endo (D) | inside |
| en (D) | inside |
| intra (P) | inside |
| inter (P) | between |
| medi (D) | middle |
| later (D) | side |
| pan (#) | all |
| null (#) | none |
| mono (#) | one |
| uni (#) | one |
| primi (#) | first |
| bi (#) | two |
| diplo (#) | double |
| tri (#) | three |
| tetra (#) | four |
| quadri (#) | four |
| multi (#) | many |
| poly (#) | many |
| pseudo | false |
| syn | joined, union, together |
| a | without, not |
| an | without, not |
| anti | against |
| contra | against |
| brady | slow |
| tachy | rapid, fast |
| ultra (D) | excess, beyond |
| meta (P) | after, beyond |
| para (D) | near, beside, beyond |
| eu | good, normal |
| mal | bad |
| homo | same |
| homeo | same |
| hetero | different |