Cell growth
Cell Growth
Cell growth (/sɛl groʊθ/) refers to an increase in the size or number of cells in an organism. It is a fundamental process that occurs in all living organisms.
Etymology
The term "cell growth" is derived from the Latin cellula meaning "a small room" and the Old English groeiþ meaning "increase, growth".
Definition
Cell growth is a process by which cells accumulate mass and increase in physical size. This process is crucial for the development, maintenance, and reproduction of an organism. It involves the synthesis of new proteins and other biomolecules, leading to an increase in cell size (Cell size) and often cell number (Cell division).
Types of Cell Growth
There are two types of cell growth: Cellular hypertrophy and Cellular hyperplasia. Cellular hypertrophy is the increase in the size of cells, resulting in a larger tissue mass, while cellular hyperplasia is an increase in the number of cells in a tissue.
Regulation of Cell Growth
The regulation of cell growth is a complex process that involves a variety of factors, including Growth factors, Hormones, and Nutrients. These factors can stimulate or inhibit cell growth, depending on the specific needs of the organism.
Related Terms
- Cell cycle: The series of events that take place in a cell leading to its division and duplication.
- Cell division: The process by which a parent cell divides into two or more daughter cells.
- Cell proliferation: The process that results in an increase in the number of cells, and is defined by the balance between cell divisions and cell loss through cell death or differentiation.
- Cell differentiation: The process by which a less specialized cell becomes a more specialized cell type.
External links
- Medical encyclopedia article on Cell growth
- Wikipedia's article - Cell growth
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