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What does uni- mean in medical terms?
uni-
Meaning: one
Type: Prefix
A prefix goes at the very start of a word, before the root. On this page: what uni- means, and real medical words that use it, each broken down into its parts.
Example words using uni-
unilateral
uni- (one) + lateral (side) = affecting one side only
uni- (one) + lateral (side) = affecting one side only
unicellular
uni- (one) + cellular (relating to a cell) = consisting of a single cell
uni- (one) + cellular (relating to a cell) = consisting of a single cell
unipolar
uni- (one) + polar (relating to a pole) = having a single pole or direction
uni- (one) + polar (relating to a pole) = having a single pole or direction
Shortened forms
Charts and notes shorten long terms — see the Medical Abbreviations guide for the short forms you will meet in real records.
Please note: This section teaches the language of medicine — what word parts mean and how terms are built. It is an educational reference, not medical advice. For the meaning of a word in your own medical record, ask the clinician who wrote it.