Medical Terminology: Prefixes Indicating Location or Timing

Prefixes That Indicate Location or Timing

• Ab-: Means away from.

• Ad-: Represents toward.

• Ana-: Indicates up or toward.

• Ante-: Denotes before.

• Pre-: Also means before.

• Dia-: Signifies through.

• Dis-: Means apart.

• Ec/Ecto-: Refers to outside.

• Endo-: Indicates inside.

• Epi-: Means over or above.

• Eso-: Signifies inward (the eyes).

• Ex-: Refers to outside.

• Extra-: Also means outside.

• Infer-: Denotes location in the body.

• Inter-: Means between.

• Intra-: Indicates within.

• Para-: Indicates alongside of.

• Peri-: Means around or near.

• Post-: Signifies after.

• Sub-: Means under.

• Hypo-: Denotes under or below.

• Super/Supra-: Indicates above or on top of.

• Sym/Syn-: Means together or joined.

Summary

These prefixes are essential in medical terminology, as they provide critical information about the location or timing of various medical conditions, procedures, or anatomical structures. Understanding these prefixes aids in comprehending medical language and enhances clarity in communication among healthcare professionals.