plasmosome

American

[plaz-muh-sohm] / ˈplæz məˌsoʊm /

noun

Cell Biology.

a true nucleolus, as distinguished from a karyosome.

plasmosome British

/ ˈplæzməˌsəʊm /

noun

another name for nucleolus

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of plasmosome

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023