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Microinjection refers to the process of using a micro needle to insert substances at a microscopic or borderline macroscopic level into a single living cell. It is a simple mechanical process in which an extremely fine micro needle penetrates the cell membrane and sometimes the nuclear envelope and releases its contents. Microinjection is normally performed under a specialized optical microscope setup called a micromanipulator. The process is frequently used as a vector in genetic engineering and transgenetics to insert genetic material into a single cell. The process of cloning also involves microinjections.
Biology: The Unity and Diversity of Life
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Microinjection". A list of authors is available in Wikipedia.|