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n. pl. mi·to·ses (-sēz) Biology
1. The process in cell division by which the nucleus divides, typically consisting of four stages, prophase, metaphase, anaphase, and telophase, and normally resulting in two new nuclei, each of which contains a complete copy of the parental chromosomes. Also called karyokinesis.
2. The entire process of cell division including division of the nucleus and the cytoplasm.

[Greek mitos, warp thread + -osis.]

mi·tot′ic (-tŏt′ĭk) adj.
mi·tot′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Adj.1.mitotic - of or relating to or undergoing mitosis
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References in periodicals archive ?
Kim, et al, found the PHH3 counting method in the detection of mitotic figures was more sensitive compared with the traditional H&E-stained mitotic figure counts; and if the mitotic thresholds suggested by the WHO were applied to the PHH3 MI results in 28 cases, there would be a change in grade.
C, Cells with basally located nuclei, abundant foamy pale cytoplasm, and apical eosinophilic cytoplasm within same gland, distinct cellular borders, and a single mitotic figure without apoptotic bodies.
(A) Hematoxylin & eosin stain section showing fascicles of spindle cells with marked nuclear atypia and pleomorphism, (B) High power view showing atypical nuclei and a mitotic figure (arrow), (C) Immunohistochemical stain for desmin showing strong positivity, (D) Ki67 stain showing high proliferative index (10%).
One mitotic figure is present in the upper-right corner (Papanicolaou, original magnification X40).
(8) Hallmark of transitional cell carcinoma are nuclear pleomorphism, increase mitotic figure and necrosis.
Horn Cyst: Tumor Nodule showing peripheral palisading of nucleus and occasional characteristic starburst mitotic figure.
The 3 grading components in common use are the degree of lumens or tubules (tubularity) formed, nuclear pleomorphism, and mitotic figure count in 10 high-power microscopic fields (HPFs).
Mitotic activity was rare and one mitotic figure was counted in 50 high-power fields.
(9) Mitotic activity varies as does the presence of abnormal mitotic figures. (1)
It is important to differentiate from leiomyosarcoma especially when mitotic figures and MIB-1 proliferation is higher than the expected.
In the well differentiated squamous cell carcinomas there are few mitotic figures, atypical mitosis or multinucleate epithelial cells are rare.
Histologically, they constitute of bland spindle cells with scant cytoplasm and occasional mitotic figures. Scattered lymphocytic and plasma cell infiltrates with abundant dense hyalinized collagenous stroma and focal small calcifications are seen.