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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.
Ex vivo reconstruction, short for ex vivo renal artery reconstruction and autotransplantation, is a technique mainly used for complex disease involving multiple ...
Autotransplantation of selected organs is often preceded by ex vivo (also bench, back-table, or extracorporeal) surgery. [6] For example, ex vivo liver resection and autotransplantation is used in the treatment of selected cases of conventionally unresectable hepatic tumors. [7] It can also be implemented in rare scenarios of a blunt abdominal ...
This ex vivo model requires a highly maintained environment in order to recreate original cellular conditions. The composition of extracellular matrix, for example, must be precisely similar to that of in vivo conditions in order to induce naturally observed behaviors of cells. The growth medium also must be considered, as different solutions ...
Primary cell culture is the ex vivo culture of cells freshly obtained from a multicellular organism, as opposed to the culture of immortalized cell lines.In general, primary cell cultures are considered more representative of in vivo tissues than cell lines, and this is recognized legally in some countries such as the UK (Human Tissue Act 2004). [1]
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.
Ex vivo lung perfusion, EVLP, is a form of machine perfusion aimed at sustaining the active aerobic cellular metabolism of donor lungs outside the donor's body prior to lung transplantation. This medical preservation technique typically occurs within a specialised machine engineered to mimic the conditions of the natural circulatory system .
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...