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

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Example Sentences

See Examples For:

spireme

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 Nettie Maria Stevens

In one giant cell four unusually large combinations of this kind were found, and a corresponding amount of chromatin in the spireme.

From Studies in Spermatogenesis Part I by Nettie Maria Stevens

First spermatocyte, spireme stage, showing the unequal pair associated with a large plasmosome.

From Studies in Spermatogenesis Part II by Nettie Maria Stevens

The first division is thus a reducing division, while the split appearing in the anaphase of the heterotype and presumably reappearing in the prophase of the homotype is the original split of the spireme thread.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various

First spermatocyte, spireme stage, showing the larger and smaller heterochromosome associated with a plasmosome. 65-68.

From Studies in Spermatogenesis Part II by Nettie Maria Stevens

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