A medical procedure where a patient receives their own blood or a substance derived from their own body back into their bloodstream.
From Greek 'auto' (self) and Latin 'infusio' (pouring in). The medical term developed in the 20th century with advances in blood transfusion and regenerative medicine.
Platelet-rich plasma injections use a form of autoinfusion—doctors take your blood, concentrate the healing platelets, and inject them back into injured joints or tissue.
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