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HeLa cell in prometaphase. The chromatin is stained red and the microtubules forming the spindle stained green. The chromatin has condensed but there is not yet complete attachment of the chromosomes to the spindle.

Human cell in metaphase

Nucleus in prometaphase. The chromosomes are stained green. The chromatin has condensed but there is not yet complete attachment of the chromosomes to the spindle (not visible in the image).

Human chromosomes in early anaphase. At this stage the chromosomes have started to separate from each other and move towards opposite poles of the cell. The chromatin appears grey and the kinetochores are pink.

Human cells showing the stages of cell division starting with interphase at the top. Progressing down, the stages shown are: prophase, metaphase (chromosomes all attached and aligned), anaphase (chromosome separation)and telophase (formation of midbody and cells begin to flatten).

Human cells showing the stages of cell division

Human cell in telophase

Human chromosomes in late anaphase. At this stage the chromosomes have started to separate from each other and move towards opposite poles of the cell.

Human cell in anaphase

Nucleus in early prophase

Human chromosomes in early anaphase. At this stage the chromosomes have started to separate from each other and move towardds opposite poles of the cell.

Chromosomes at metaphase

A continuous record of atmospheric nucleation / by Carl Barus.

Human cell early in cytokinesis

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Human chromosomes in early anaphase. At this stage the chromosomes have started to separate from each other and move towardds opposite poles of the cell.

Chromosomes at metaphase

Nucleus in prometaphase. The chromosomes are stained green. The chromatin has condensed but there is not yet complete attachment of the chromosomes to the spindle (not visible in the image).

A continuous record of atmospheric nucleation / by Carl Barus.

Human cell early in cytokinesis