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

First spermatocyte from same testis, spireme stage, showing 2 small chromosomes associated with 1 large one and a plasmosome.

From Studies in Spermatogenesis Part II by Stevens, Nettie Maria

In figure 99 and again in figure 100 the element x is joined to the spireme as it is throughout the spireme stage.

From Studies in Spermatogenesis Part I by Stevens, Nettie Maria

The spireme here, as also in figure 99, is fine and closely interwound.

From Studies in Spermatogenesis Part I by Stevens, Nettie Maria

First spermatocyte, spireme stage, x the odd chromosome.

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