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Apoptosis

Biology AponeurosisAppendix

Apoptosis (pronounced ă-pŏp-tŏ'sĭs, apo tō' sis) is a form of programmed cell death in multicellular organisms.

 


Apoptosis
Programmed cell death. Apoptosis may be programmed during development. It can also be a cell's response to DNA damage and virus infection.

Apoptosis: Dance of Death
Human neutrophils are constantly produced in the marrow and released into the blood to search for invading pathogens. After only one day, they "commit suicide" and are replaced by younger cells.

apoptosis n. Disintegration of cells into membrane-bound particles that are then eliminated by phagocytosis or by ... Apoptosis is a process by which cells in ...
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Apoptosis
For every cell, there is a time to live and a time to die. There are two ways in which cells die:
They are killed by injurious agents.
They are induced to commit suicide.

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Definition of apoptosis :
Programmed cell death, the body's normal method of disposing of damaged, unwanted, or unneeded cells.

Apoptosis
Apoptosis is the process of programmed cell death. It is used during early development to eliminate unwanted cells; for example, those between the fingers of a developing hand.

Chapter 7
Apoptosis and necrosis: different execution of the same death
Pierluigi Nicotera1,Marcel Leist and Elisa Ferrando-May ...

Apoptosis
Cells with damaged DNA that cannot be repaired normally undergo apoptosis, a process in which the cell kills itself. Tumor cells have high levels of a protein (survivin) that inhibits apoptosis.
Lack Differentiation
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Apoptosis (ay-PAH-TOE-sis) Programmed cell death, a normal process in which cells die in a controlled and predictable way. See necrosis.

Apoptosis: The genetically programmed death of cells at specific times during embryonic morphogenesis and development, metamorphosis, and during cell turnover in adults including the maturation of T and B cells of the immune system.

apoptosis - also known as programmed cell death (PCD); an active cellular process ("cell suicide") consisting of a stereotyped set of events including nuclear condensation, chromosome degradation, ...

Apoptosis
Cell death due to a intracellular developmental program or induced by other cells.
A priori
Deduced from first principles; without prior knowledge.

apoptosis
Programmed cell death brought about by signals that trigger the activation of a cascade of "suicide" proteins in the cells destined to die.
aposematic coloration ...

Apoptosis Programmed cell death, the body's normal method of disposing of damaged, unwanted, or unneeded cells.
See also: cell ...

Apoptosis A cascade of proteolytic enzymes that results in controlled cell death in response to significant cell damage or specific developmental programs. Also called programmed cell death.

apoptosis Genetically determined cell death, "programmed" cell death.
apopyle In sponges, opening of the radial canal into the spongocoel.

Apoptosis is the normal, programmed death of cells. Normal cells can divide only about fifty times before they die. This is related to their ability to replicate DNA only a limited number of times.

If the damage is severe this protein can cause apoptosis (cell death).
p53 levels are increased in damaged cells. This allows time to repair DNA by blocking the cell cycle.
A p53 mutation is the most frequent mutation leading to cancer.

- Primary alcohols found in plant matter which play a role in the reduction of cholesterol and in stimulating apoptosis. Monoterpenes also increase the levels of liver enzymes involved in detoxifying carcinogens.

Cell biology - the study of cells at the microscopic or at the molecular level. It includes studying the cells' physiological properties, structures, organelles, interactions with their environment, life cycle, division and apoptosis ...

The Nobel Prize in 2002 was given to the three scientists who did the initial studies in this worm and who discovered the existence of programmed cell death, apoptosis, which is now known to be a universal phenomenon in all animals.

See also: Cells, Cell, Protein, Trans, Proteins