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NKS Medical Prefixes
| Term | Definition |
|---|---|
| Describes a structure near or alongside another. | Para- |
| Refers to movement or location across or through a structure. | Trans- |
| Refers to structures located behind another. | Retro- |
| Describes something situated between two structures | Inter- |
| Refers to something located inside a structure or space. | Intra- |
| Refers to something surrounding another structure. | Peri- |
| Refers to something, usually a structure, beneath another. | Sub- |
| Refers to something located on or above another structure. | Epi- |
| Prefix meaning “heart” | Cardi- |
| Prefix meaning “crown” or “heart” | Coron- |
| Prefix meaning “before” or “in front of.” | Ante- |
| Prefix meaning “after” or “behind” | Post- |
| Prefix meaning “within” or “inside.” | Endo- |
| Prefix meaning “outside” or “external.” | Exo- |
| Prefix meaning “below” or “under” | Hypo- |
| Prefix meaning “above”, “over”, or “excessive.” | Hyper- |
| Prefix meaning “above” or “over”. | Super- |
| Prefix meaning “large”. | Macro- |
| Prefix meaning “small”. | Micro- |
| Prefix meaning “many” or “much.” | Poly- |
| Prefix meaning “one” or “single”. | Mono- |
| Prefix meaning “without” or “not” | “A-“ (if word stem starts with a consonant) or “an-“ (if word stem starts with a vowel). |
| Prefix that means “apart” or “away.” | Dis- |
| Prefix meaning “one.” | Uni- |
| Prefix meaning “two.” | Bi- |
| Prefix meaning “three”. | Tri- |
| Prefix meaning “nerves”. | Neuro- |
| Prefix meaning “lung”. | Pulmon- |
| Two prefixes meaning “vessel” | Angi- and vascul- |
| Prefix meaning “blood”. | Hem- or hemat- |
| Prefix meaning “lung/air”. | Pneum- or pneumo- |
| Prefix meaning “nose”. | Rhin- |
| Prefix meaning “trachea” | Trache- |
| Two prefixes meaning “brain.” | Cerebr- and encephal- |
| Prefix meaning “spinal cord” or “bone marrow”. | Myel- |
| Prefix meaning “bone.” | Oste- |
| Prefix meaning “joint”. | Arthr- |
| Prefix meaning “muscle”. | My- or Myo- |
| Prefix meaning “cartilage”. | |
| Chondr- | |
| Prefix meaning “stomach”. | Gastro- |
| Prefix meaning “small intestine”. | Enter- |
| Prefix meaning “colon” or “large intestine”. | Col- |
| Prefix meaning “liver”. | Hepat- |
| Prefix meaning “kidneys”. | Nephr- |
| Prefix meaning “bladder” | Cyst- |
| Prefix that means “skin” | Derm- or dermat-. |
| What is the prefix that means “eye”. | Opthalm- |
| Prefix that means “ear.” | Ot- |
| Prefix that means “spleen”. | Splen- or spleno- |
| Prefix that means “gall bladder”. | Cholecyst- |
| What are the two roots that form the prefix that means “gall bladder” and what do they mean? | Chole- means “bile”, cyst- means “bladder”. |