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The mitotic index is a measure of cellular proliferation. [1] It is defined as the percentage of cells undergoing mitosis in a given population of cells. Mitosis is the division of somatic cells into two daughter cells. Durations of the cell cycle and mitosis vary in different cell types. An elevated mitotic index indicates more cells are dividing.
On a larger scale, mitotic cell division can create progeny from multicellular organisms, such as plants that grow from cuttings. Mitotic cell division enables sexually reproducing organisms to develop from the one-celled zygote, which itself is produced by fusion of two gametes, each having been produced by meiotic cell division.
Mitosis in a neuroendocrine tumor. Mitotic indexing is the oldest method of assessing proliferation and is determined by counting the number of mitotic figures (cells undergoing mitosis) through a light microscope on H&E stained sections. It is usually expressed as the number of cells per microscopic field.
Ohio's biodiversity continues to be threatened due to a variety of causes. The latest Rare Native Ohio Plants Status List cites 271 are endangered. Native plant update: Of Ohio's 1,800 native ...
Geranium maculatum, an Ohio native, is a relative of the common bedding geranium (Pelargonium × hortorum). This list includes plants native and introduced to the state of Ohio, designated (N) and (I), respectively. Varieties and subspecies link to their parent species.
It is the biological process of gametogenesis during which cells that are haploid or diploid divide to create other cells. It can take place either through mitotic or meiotic division of diploid gametocytes into different cells depending on an organism's biological life cycle. For instance, gametophytes in plants undergo mitosis to produce gametes.
Ohio Agricultural Research and Development Center (OARDC) is the research institution of the Ohio State University College of Food, Agricultural, and Environmental Sciences. The center is home to research projects ranging from plant and animal sciences to human ecology and medicine, and includes branches across the state covering a total of ...
In North Central Ohio, fair season begins July 1 with the Marion County Fair and ends Oct. 5 with the Loudonville Independent Fair. Ohio Department of Agriculture announces 2024 fairs schedule ...