[mahy-kroh-in-jek-shuh n]

Origin of microinjection

First recorded in 1920–25; micro- + injection
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

microinjection in Medicine


  1. Injection of minute amounts of a substance into a microscopic structure, such as a single cell.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.