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maturation division

American  

noun

Cell Biology.
  1. a stage in meiosis during which the chromosomal number of the reproductive cell is reduced to one chromosome from each original chromosome pair.


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The second maturation division is seen in metaphase in figure 220 and in anaphase in figure 221.

From Studies in Spermatogenesis Part I by Nettie Maria Stevens

It becomes separated from the other chromatin in the tetrad-stage, remains nucleolus-like in form, and later appears in the first maturation division either among the chromosomes or in a more or less aberrant position.

From Studies in Spermatogenesis Part I by Nettie Maria Stevens

Figure 223 is the equatorial plate of the first maturation division of the winter egg, showing the same form and size relations of the chromosomes as in the spermatocyte divisions.

From Studies in Spermatogenesis Part I by Nettie Maria Stevens

Metaphase of first maturation division, showing the element x in various positions. 123-127.

From Studies in Spermatogenesis Part I by Nettie Maria Stevens

This is called maturation, or the maturation division, and the new cells have only half the original number of chromosomes.

From Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family by Melvin Moses Knight

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