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In science, ex vivo refers to experimentation or measurements done in or on tissue from an organism in an external environment with minimal alteration of natural conditions. [ 2 ] A primary advantage of using ex vivo tissues is the ability to perform tests or measurements that would otherwise not be possible or ethical in living subjects.
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 ...
Ex vivo reconstruction, short for ex vivo renal artery reconstruction and autotransplantation, is a technique mainly used for complex disease involving multiple ...
These techniques can be performed either in vivo, ex vivo, or in vitro. [3] Ex vivo techniques enable a more accurate count of the T cells in a graft and also has the option to 'addback' a set number of T cells if necessary. Currently, ex vivo techniques most commonly employ positive or negative selection methods using immunomagnetic separation.
Mice are the most commonly used mammal species for live animal research. Such research is sometimes described as vivisection. Vivisection (from Latin vivus 'alive' and sectio 'cutting') is surgery conducted for experimental purposes on a living organism, typically animals with a central nervous system, to view living internal structure.
The term in situ in the medical context is part of a group of two-word Latin expressions, including in vitro, in vivo, and ex vivo. Similar to abbreviations, these terms support the concise transfer of essential information in medical communication. In situ is among the most widely used and versatile Latin terms in medical discourse in modern ...
Animal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals, such as model organisms, in experiments that seek to control the variables that affect the behavior or biological system under study. This approach can be contrasted with field studies in which animals are observed in ...
Advances in biology, genetics, computer science and robotics have given scientists new tools to help identify the root causes of human toxicity and disease." [ 81 ] People for the Ethical Treatment of Animals (PETA) in the US and UK: "We teamed up with CeeTox, Inc. to fund work on a new humane skin test that could replace painful tests on mice ...