plasmosome

[plaz-muh-sohm]

noun

Cell Biology.

1. a true nucleolus, as distinguished from a karyosome.

plasmosome

/ ˈplæzməˌsəʊm /

noun

1. another name for nucleolus

Word History and Origins

Origin of plasmosome¹

First recorded in 1885–90; plasmo- + -some ³

Example Sentences

There appears to be no plasmosome in either class of spermatogonia.

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In safranin-gentian preparations it stains, not like a plasmosome, but red like the heterochromosomes, while the spireme is violet.

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

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Heterochromosome group. p = plasmosome, l = large heterochromosome, s = small heterochromosome. 24-27.

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

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