M0273925 (mī′krō-ĭn-jĕk′shən)n. Injection of minute amounts of a substance into a microscopic structure, such as a single cell.mi′cro·in·ject′(-jĕkt′) v.
microinject
(ˌmaɪkrəʊɪnˈdʒɛkt) vb (tr) (Microbiology) to inject (a substance, esp a single living cell) using a microscopeEncyclopediaSeemicroinjection