View synonyms for cell division

cell division

noun

, Biology.

cell division

cytology the division of a cell into two new cells during growth or reproduction See amitosis meiosis mitosis

cell division

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.

First recorded in 1880–85

If a culture has to be grown, then you have to bide your time while cell division takes its course.

In the lower orders of one-celled algæ, reproduction takes place by simple cell division.

When a cell division takes place, the nucleus breaks up into a number of thread-like portions which are known as chromosomes.

In the act of cell-division the nuclei of the resulting cells are formed from the nucleus of the primitive cell.

In some cases of cell-division a remnant of the old nucleus is stated to be visible after the fresh nuclei have appeared.

It is clear, as Hertwig has pointed out, that the polar bodies originate by a regular cell division and have the value of cells.

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