spireme

American  

[spahy-reem] / ˈspaɪ rim /

noun

Cell Biology.

1. the threadlike chromatin of a cell nucleus, present during early meiosis or mitosis.

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spireme British  

/ ˈspaɪriːm /

noun

1. cytology the tangled mass of chromatin threads into which the nucleus of a cell is resolved at the start of mitosis

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Etymology

Origin of spireme

1885–90; < Greek speírēma coil, equivalent to speirē-, variant stem of speirâsthai to be coiled around + -ma noun suffix of result

Example Sentences

At first it is quite small, and it gradually increases in size during the spireme stage.

From Studies in Spermatogenesis Part I by Stevens, Nettie Maria

In Sagitta this element certainly can not be regarded as a specialized spermatogonial chromosome, or as chromatin rejected from the spireme.

From Studies in Spermatogenesis Part I by Stevens, Nettie Maria

First spermatocyte, spireme stage, x the heterochromosome group.

From Studies in Spermatogenesis Part II by Stevens, Nettie Maria

There is no synizesis and no polarized or bouquet stage, but the nuclei of all of the spermatocytes contain a continuous spireme throughout the growth stage.

From Studies in Spermatogenesis Part II by Stevens, Nettie Maria

Figures 247 and 248 show the condensation of chromatin granules to form tetrads of various sizes, still embedded in the linin spireme.

From Studies in Spermatogenesis Part II by Stevens, Nettie Maria