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How does tissue culture allow animal and plant cells to survive outside an organism?

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tissue culture Tissue culture often requires sterile working conditions and thus is typically performed in a laminar flow cabinet (or tissue culture hood), which circulates filtered air to reduce the risk of culture contamination.

Tissue culture allows animal and plant cells to survive outside an organism by placing them in an artificial environment that mimics their natural conditions. To sustain these cells, researchers utilize a culture medium—which may consist of biological fluids like blood serum, chemically defined synthetic substances, or a mixture of both—to provide the essential nutrients required for survival and function.12

The environment is carefully controlled to ensure the cells thrive:
* Physical Conditions: The culture is incubated at a temperature close to that of the organism’s normal environment, with precise regulation of acidity (pH) and humidity.12
* Sterility: Strict sterile conditions are maintained to prevent contamination by microorganisms.12
* Growth Support: Cells are typically grown as single layers on plastic or glass surfaces, or as suspensions in liquid or semisolid media.1

By isolating cells in these specialized containers, scientists can study their metabolism, reproductive activity, and responses to various experimental treatments, such as drugs or hormones, without the complexity of the whole organism.12