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The area provides a reference unit, for example in reference ranges for urine tests. [3]Used for grading of soft tissue tumors: Grading, usually on a scale of I to III, is based on the degree of differentiation, the average number of mitoses per high-power field, cellularity, pleomorphism, and an estimate of the extent of necrosis (presumably a reflection of rate of growth).
Usually the number of mitotic figures is expressed as the total number in a defined number of high power fields, such as 10 mitoses in 10 high power fields. Since the field of vision area can vary considerably between different microscopes, the exact area of the high power fields should be defined in order to compare results from different studies.
[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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 19 February 2025. Process in which chromosomes are replicated and separated into two new identical nuclei For the type of cell division in sexually reproducing organisms used to produce gametes, see Meiosis. For excessive constriction of the pupils, see Miosis. For the parasitic infestation, see Myiasis ...
Bitcoin continued a decline Thursday to touch its lowest levels since November, trading as low as $91,600.The cryptocurrency's recent descent comes after it had climbed to record highs in the wake ...
February 1, 2025 at 9:04 PM If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1324 ahead. Let's start with a few hints.
Washington Commanders starting right guard Sam Cosmi has a torn ACL and is out for the remainder of the NFL playoffs. Coach Dan Quinn revealed the “unfortunate news” Sunday after Cosmi injured ...
Mitogens can be either endogenous or exogenous factors. Endogenous mitogens function to control cell division is a normal and necessary part of the life cycle of multicellular organisms.