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Overview of signal transduction pathways involved in apoptosis. Cell death is the event of a biological cell ceasing to carry out its functions. This may be the result of the natural process of old cells dying and being replaced by new ones, as in programmed cell death, or may result from factors such as diseases, localized injury, or the death of the organism of which the cells are part.
Additionally, plants do not contain phagocytic cells, which are essential in the process of breaking down and removing apoptotic bodies. [117] Whether this whole process resembles animal apoptosis closely enough to warrant using the name apoptosis (as opposed to the more general programmed cell death ) is unclear.
A set of recommendations for describing the terminology of cell death was proposed by the Nomenclature Committee on Cell Death (NCCD) in 2009, because misusing words and concepts may slow down progress in the area of cell death research. [1] The classic definition of death defines it as a state characterized by the cessation of signs of life.
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 ...
Senescence (/ s ɪ ˈ n ɛ s ə n s /) or biological aging is the gradual deterioration of functional characteristics in living organisms. Whole organism senescence involves an increase in death rates or a decrease in fecundity with increasing age, at least in the later part of an organism's life cycle.
Researchers have been studying zombie cells, aka senescent cells, and their link to aging. ... Could zombie cell research slow down aging in the future? Skip to main content. 24/7 Help. For ...
This process references the breaking down of a body of an animal post-mortem. In broad terms, it can be viewed as the decomposition of proteins, and the eventual breakdown of the cohesiveness between tissues, and the liquefaction of most organs. This is caused by the decomposition of organic matter by bacterial or fungal digestion, which causes ...
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