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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Example Sentences

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 Stevens, Nettie Maria

Haploids don't reproduce, and the only way the diploid number of chromosomes can be kept is to replace those lost by maturation division of the ovum.

From The Lani People by Bone, Jesse F. (Jesse Franklin)

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 Stevens, Nettie Maria

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

From Studies in Spermatogenesis Part I by Stevens, Nettie Maria

Shortly before the first maturation division, such split segments as appear in figure 175 are sometimes found; some of these simulate tetrads with slender connecting bands between the paired elements.

From Studies in Spermatogenesis Part I by Stevens, Nettie Maria