[ mahy-kroh-in-jek-shuh n ]
/ ˌmaɪ kroʊ ɪnˈdʒɛk ʃən /

noun Biology.

injection performed under a microscope, especially of a solution or gene transplant into a cell or cell part.

Origin of microinjection

First recorded in 1920–25; micro- + injection
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for microinjection

[ mī′krō-ĭn-jĕkshən ]


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.