Cell division is the process by which a parent cell divides into two daughter cells. Cell division usually occurs as part of a larger cell cycle in which...
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The cell cycle, or cell-division cycle, is the sequential series of events that take place in a cell that causes it to divide into two daughter cells. These...
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cell divisions occur repeatedly without cell growth. Conversely, some cells can grow without cell division or without any progression of the cell cycle...
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The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain...
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An asymmetric cell division produces two daughter cells with different cellular fates. This is in contrast to symmetric cell divisions which give rise...
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increase in cell number and is therefore a rapid mechanism of tissue growth. Cell proliferation requires both cell growth and cell division to occur at...
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Mitosis (redirect from Mitotic cell division)
part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division by mitosis is an equational division which gives...
71 KB (7,313 words) - 18:47, 21 August 2024
Asymmetric cell division: a stem cell divides into one mother cell, which is identical to the original stem cell, and another daughter cell, which is differentiated...
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come from the division of pre-existing cells. Viruses are not considered in cell biology – they lack the characteristics of a living cell and instead are...
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Hayflick limit (section The belief in cell immortality)
number of times a normal somatic, differentiated human cell population will divide before cell division stops. The concept of the Hayflick limit was advanced...
16 KB (1,838 words) - 14:45, 6 August 2024
Meristem (redirect from Meristematic cell)
cell biology, the meristem is a type of tissue found in plants. It consists of undifferentiated cells (meristematic cells) capable of cell division....
37 KB (4,544 words) - 15:34, 27 July 2024
Cleavage (embryo) (redirect from Eight-cell stage)
cleavage is the division of cells in the early development of the embryo, following fertilization. The zygotes of many species undergo rapid cell cycles with...
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Cancer cells are cells that divide continually, forming solid tumors or flooding the blood or lymph with abnormal cells. Cell division is a normal process...
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method of cell division involving the formation of a cell plate or phragmoplast that separates the new daughter cells. Plant cells have cell walls composed...
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Epidermis (redirect from Epidermal cell)
epithelium, the epidermis is maintained by cell division within the stratum basale. Differentiating cells delaminate from the basement membrane and are...
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Adult stem cells are undifferentiated cells, found throughout the body after development, that multiply by cell division to replenish dying cells and regenerate...
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Cellular differentiation (redirect from Cell differentiation)
differentiation, a precursor cell formerly capable of cell division permanently leaves the cell cycle, dismantles the cell cycle machinery and often expresses...
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Cytoskeleton (redirect from Cell wall skeleton)
cellular division, the cytokinesis stage of cell division, as scaffolding to organize the contents of the cell in space and in intracellular transport (for...
45 KB (5,121 words) - 06:34, 27 May 2024
Epithelium (redirect from Epithelial cell)
there are too few the cells the stretch that they experience rapidly activates cell division. Alternatively, when too many cells accumulate, crowding triggers...
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Mitochondrion (redirect from Cell powerhouse)
A mitochondrion (pl. mitochondria) is an organelle found in the cells of most eukaryotes, such as animals, plants and fungi. Mitochondria have a double...
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Chromosome (section Metaphase chromatin and division)
microscope only during the metaphase of cell division (where all chromosomes are aligned in the center of the cell in their condensed form). Before this...
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Cell division orientation is the direction along which the new daughter cells are formed. Cell division orientation is important for morphogenesis, cell...
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means the non-specific use of intracellular poisons to inhibit mitosis (cell division) or to induce DNA damage (so that DNA repair can augment chemotherapy)...
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Carcinogenesis (section Cancer cell biology)
the cellular, genetic, and epigenetic levels and abnormal cell division. Cell division is a physiological process that occurs in almost all tissues and...
115 KB (13,937 words) - 12:31, 12 July 2024
non-differentiated somatic cells form the germ line and, in Cnidaria, differentiated somatic cells are the source of the germline. Mitotic cell division is only seen...
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Biology (section Cell structure)
individual cells have all the characteristics of life, although they opposed the idea that (3) all cells come from the division of other cells, continuing...
133 KB (13,806 words) - 21:01, 5 August 2024
all cells come from pre-existing cells. Cells are the basic unit of structure in all living organisms and also the basic unit of reproduction. Cell theory...
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Meiosis (redirect from Reduction division)
reductional division) is a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, the sperm or egg cells. It...
64 KB (7,478 words) - 23:27, 22 August 2024
Divisome (section DNA replication and cell division)
responsible for cell division, constriction of inner and outer membranes during division, and peptidoglycan (PG) synthesis at the division site. The divisome...
12 KB (1,477 words) - 08:32, 3 December 2023
Caenorhabditis elegans (redirect from P4 cell)
daughter cells of the first cell division are called the AB cell (containing PAR-6 and PAR-3) and the P1 cell (containing PAR-1 and PAR-2). A second cell division...
92 KB (10,532 words) - 17:39, 1 August 2024