injection performed under a microscope, especially of a solution or gene transplant into a cell or cell part.
Origin of microinjection
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.