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What does intra- mean in medical terms?
intra-
Meaning: within, inside
Type: Prefix
A prefix goes at the very start of a word, before the root. On this page: what intra- means, and real medical words that use it, each broken down into its parts.
Example words using intra-
intracellular
intra- (within) + cellular (relating to a cell) = inside a cell
intra- (within) + cellular (relating to a cell) = inside a cell
intravenous
intra- (within) + ven (vein) + ous (relating to) = within a vein
intra- (within) + ven (vein) + ous (relating to) = within a vein
intramuscular
intra- (within) + muscular (relating to muscle) = within a muscle
intra- (within) + muscular (relating to muscle) = within a muscle
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.