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Injection of minute amounts of a substance into a microscopic structure, such as a single cell.

mi′cro·in·ject′ (-jĕkt′) v.


vb (tr)
(Microbiology) to inject (a substance, esp a single living cell) using a microscope
References in periodicals archive ?
In this study, NG-nitro-L-arginine methyl ester (L-NAME) (an inhibitor of NO synthase), L-arginine (L-Arg) (a precursor of NO), and sodium nitroprusside (SNP) (a donor of NO) were microinjected into the CnF and cardiovascular responses were investigated.
Such deficits can occur as a result of brain trauma during the microinjection procedure, but we can exclude this possibility because a group microinjected with saline showed similar performance as a blank group that was not microinjected.
Egr3 siRNA (25 [micro]M) was microinjected into GV oocytes and rates of GVBD and polar body extrusion were monitored.
In these procedures, ovaries are down-regulated and then stimulated to produce eggs, which retrieved, and then microinjected with spermatozoa.
Effects of oxytocin microinjected into the central amygdaloid nucleus and bed nucleus of stria terminalis on maternal aggressive behavior in rats.
1mmAhRR transgene construct was microinjected into the pronuclei of freshly fertilized oocytes from C57BL/6J mice.
Instead of crossing independent mutant mouse lines, two transgenic constructs (mutant A[beta]PP and tau) were microinjected into single-cell embryos of homozygous mutant PSEN1 mice, thereby preventing segregation of A[beta]PP and tau genes in succeeding generations.
No significantly difference was found between sleep and wake times before and after microinjected 0.
Microinjected mature oocytes were grown in culture medium till blastocysts stage.
Microinjection that allows delivery of the transgene directly into the nucleus, Transgene is directly microinjected into the male pronuclei of fertilized eggs [1].
Hypotensive effects of neuromedin U microinjected into the cardiovascular related region of the rat nucleus tractus solitarius.