Medical Combining Form -graph: Meaning & Examples

The combining form -graph means "to write" or "to record." It appears in medical terms describing the process of recording data, such as:

  • Electrocardiograph – a machine that records the heart's electrical activity.
  • Phlebography – an X-ray procedure that records images of veins.

This suffix derives from Greek graphein (to write) and is used for instruments or procedures that produce a record.

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