
細胞有絲分裂指數
Conclusion Mitotic index and tumor size may be the valuable prognostic factors, however chemotherapy after operation can't improve the patients' survival.
結論核分裂指數和腫瘤體積是卵巢顆粒-間質細胞惡性腫瘤有價值的預後因素,而術後化療并不改善患者的預後。
The cell mitotic index decreased when the concentration of MH increased in a certain range, however, the ratios of micronucleus and chromosome aberration could increase.
隨着鹽酸嗎啉胍處理濃度的增加,有絲分裂指數降低,而微核率和染色體畸變率均升高;
Therefore, Mitotic index can be used as a reference for monitoring the formaldehyde content in the environment. Onions can be applied to formaldehyde pollution monitoring.
根尖有絲分裂指數可以作為監測環境中甲醛含量的參考指标,應用于甲醛污染的監測。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
以不同濃度的污水和硫酸鋁作為誘變劑,測定豌豆根尖細胞的有絲分裂指數、微核率和染色體畸變率。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
利用蠶豆根尖微核技術研究農藥乙蒜素和細菌溴腈對蠶豆根尖細胞的遺傳損傷,測定蠶豆根尖細胞的微核率、有絲分裂指數和染色體畸變率。
Mitotic Index(有絲分裂指數)是一個在病理學和腫瘤學中用于量化細胞增殖活性的重要指标。它具體指在顯微鏡下觀察的組織樣本中,處于有絲分裂(Mitosis)階段的細胞數量占該視野内總細胞數量的百分比。
詳細解釋:
核心定義:
Mitotic Index (MI) = (Number of cells in mitosis / Total number of cells counted) × 100%
臨床意義與應用:
測量方法:
影響因素與局限性:
權威參考來源:
Mitotic index(有絲分裂指數)是生物學和醫學中用于衡量細胞分裂活躍程度的指标,具體解釋如下:
定義 指在特定組織或細胞樣本中,處于有絲分裂階段(M期)的細胞占總細胞數的百分比。計算公式為: $$ text{Mitotic Index} = frac{text{分裂中細胞數}}{text{總細胞數}} times 100% $$
檢測方法 通常通過顯微鏡觀察經染色(如蘇木精-伊紅染色)的組織切片,人工計數分裂細胞。現代技術也可結合免疫熒光标記(如磷酸化組蛋白H3抗體)進行自動檢測。
應用領域
該指标需結合其他參數(如Ki-67标記指數)綜合評估細胞增殖狀态,在臨床病理報告中具有重要參考價值。
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