The medical procedure of inserting a cannula into a blood vessel or body cavity.
Formed from 'cannulate' plus the noun suffix '-tion,' which converts verbs into abstract nouns representing the action or process. This follows the same pattern as: vaccination, medication, intubation.
The '-tion' suffix is one of English's most productive noun-makers—it transforms hundreds of verbs into formal processes, which is why hospitals love words ending in '-tion' because they sound official and important.
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