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idio-

Prefix Medical Terminology

One's own, individual, or unknown in origin.

Example: idiopathic (a condition with no known cause)

Sources

Appendix A: Word Parts and What They Mean · MedlinePlus, U.S. National Library of Medicine
Medical-Surgical Nursing, Chapter 11 Key Terms · OpenStax

Related terms

homeo-Similar, same, or unchanging.
homo-Same or alike.
hyper-Above normal, excessive, or beyond.
hypo-Below normal, under, or deficient.
in-, im-Not; in some words, in or into.
infra-Below or beneath.
inter-Between.
intra-Within or inside.

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