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  2. In vitro - Wikipedia

    en.wikipedia.org/wiki/In_vitro

    In vitro (meaning in glass, or in the glass) studies are performed with microorganisms, cells, or biological molecules outside their normal biological context. Colloquially called " test-tube experiments", these studies in biology and its subdisciplines are traditionally done in labware such as test tubes, flasks, Petri dishes , and microtiter ...

  3. In vivo - Wikipedia

    en.wikipedia.org/wiki/In_vivo

    This is a laboratory rat with a brain implant, that was used to record in vivo neuronal activity. Studies that are in vivo (Latin for "within the living"; often not italicized in English [1] [2] [3]) are those in which the effects of various biological entities are tested on whole, living organisms or cells, usually animals, including humans, and plants, as opposed to a tissue extract or dead ...

  4. Serial passage - Wikipedia

    en.wikipedia.org/wiki/Serial_passage

    Serial passage can either be performed in vitro or in vivo. In the in vitro method, a virus or a strain of bacteria will be isolated and allowed to grow for a certain time. After the sample has grown for that time, part of it will be transferred to a new environment and allowed to grow for the same period.

  5. Cell culture - Wikipedia

    en.wikipedia.org/wiki/Cell_culture

    On the other hand, the strict meaning of "tissue culture" refers to the culturing of tissue pieces, i.e. explant culture. Tissue culture is an important tool for the study of the biology of cells from multicellular organisms. It provides an in vitro model of the tissue in a well defined environment which can be easily manipulated and analysed ...

  6. Bioassay - Wikipedia

    en.wikipedia.org/wiki/Bioassay

    A bioassay is an analytical method to determine the potency or effect of a substance by its effect on living animals or plants (in vivo), or on living cells or tissues (in vitro). [1] [2] A bioassay can be either quantal or quantitative, direct or indirect. [3] If the measured response is binary, the assay is quantal; if not, it is quantitative ...

  7. Artificial reproduction - Wikipedia

    en.wikipedia.org/wiki/Artificial_reproduction

    Artificial reproduction is the re-creation of life brought about by means other than natural ones. It is new life built by human plans and projects. Examples include artificial selection, artificial insemination, in vitro fertilization, artificial womb, artificial cloning, and kinematic replication.

  8. Tissue culture - Wikipedia

    en.wikipedia.org/wiki/Tissue_culture

    On the other hand, the strict meaning of "tissue culture" refers to the culturing of tissue pieces, i.e. explant culture. Tissue culture is an important tool for the study of the biology of cells from multicellular organisms. It provides an in vitro model of the tissue in a well defined environment which can be easily manipulated and analysed ...

  9. Immortalised cell line - Wikipedia

    en.wikipedia.org/wiki/Immortalised_cell_line

    Immortalised cell lines have undergone similar mutations, allowing a cell type that would normally not be able to divide to be proliferated in vitro. The origins of some immortal cell lines – for example, HeLa human cells – are from naturally occurring cancers.