apoptosis - Definitions from Dictionary.com

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Apoptosis Information Learn about signaling pathways to apoptosis on ResearchApoptosis.com www.ResearchApoptosis.com	Sponsored Links

Apoptosis Pathways Apoptosis and innovative cancer research from Genentech. www.BioOncology.com

CytoToxicity - Assays Better than LDH, works in serum luminescence, fluorescence assays www.CellTechnology.com

American Heritage Dictionary - Cite This Source - Share This

ap·op·to·sis Audio Help (āp'əp-tō'sĭs, āp'ə-tō'-) Pronunciation Key
n. Disintegration of cells into membrane-bound particles that are then eliminated by phagocytosis or by shedding.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Apoptosis Information Learn about signaling pathways to apoptosis on ResearchApoptosis.com www.ResearchApoptosis.com	Sponsored Links

Apoptosis Pathways Apoptosis and innovative cancer research from Genentech. www.BioOncology.com

CytoToxicity - Assays Better than LDH, works in serum luminescence, fluorescence assays www.CellTechnology.com

Encyclopædia Britannica, Inc.
apoptosis

To learn more about apoptosis visit Britannica.com

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WordNet - Cite This Source - Share This

apoptosis
noun
a type of cell death in which the cell uses specialized cellular machinery to kill itself; a cell suicide mechanism that enables metazoans to control cell number and eliminate cells that threaten the animal's survival

The American Heritage Science Dictionary - Cite This Source - Share This

apoptosis Audio Help (āp'əp-tō'sĭs, āp'ə-tō'-) Pronunciation Key
A natural process of self-destruction in certain cells, such as epithelial cells and erythrocytes, that are genetically programmed to have a limited life span or are damaged. Apoptosis can be induced either by a stimulus, such as irradiation or toxic drugs, or by removal of a repressor agent. The cells disintegrate into membrane-bound particles that are then eliminated by phagocytosis. Also called programmed cell death.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
apoptosis [(ap-uhp-toh-sis)]

The programmed death of a cell. Scientists believe that this process is governed by chemical signals a given cell receives from its neighbors.

Note: It is thought some forms of cancer may result when this process of cell death is somehow interrupted, allowing cells to grow unchecked, with the result being a cancerous tumor.

[Chapter:] Life Sciences

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