the division of a cell in reproduction or growth.
(cytology) the division of a cell into two new cells during growth or reproduction See amitosis, meiosis, mitosis
cell division n.
The process by which a cell divides to form two daughter cells, each of which contains the same genetic material as the original cell and roughly half of its cytoplasm.
The process by which a cell divides into two or more cells. Among prokaryotes, cell division occurs by simple fission. Among eukaryotes, the cell nucleus divides first, and then a new cell membrane is formed between the nuclei to form the new cell. Cell division is used as a means of reproduction in organisms that reproduce asexually, as by fission or spore formation, and sexually reproducing organisms form gametes through cell division. Cell division is also the source of tissue growth and repair in multicellular organisms. The two types of cell division in eukaryotic organisms are mitosis and meiosis.
the merging of two or more cells into a single cell. cell fusion n. The nondestructive merging of the contents of two cells by artificial means, resulting in a heterokaryon that will reproduce genetically alike, multinucleated progeny for a few generations.
a prison building containing separate cells, each usually intended for one or two prisoners. Historical Examples
- Cell inclusion
cell inclusion n. Nonliving material in the protoplasm of a cell, such as pigment granules, fat droplets, or nutritive substances. Also called metaplasm2. A storage material such as glycogen or fat.
a perpetuating strain of cells in laboratory culture. noun (biology) a clone of animal or plant cells that can be grown in a suitable nutrient culture medium in the laboratory cell line n. Cells grown in tissue culture and representing generations of a primary culture.
- Cell lineage
noun (biology) the developmental history of a tissue or part of an organism from particular cells in the fertilized egg or embryo through to their fully differentiated state