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nucleoplasm

American  
[noo-klee-uh-plaz-uhm, nyoo-] / ˈnu kli əˌplæz əm, ˈnyu- /

noun

Cell Biology.
  1. the protoplasm of the nucleus of a cell.


nucleoplasm British  
/ ˈnjuːklɪəˌplæzəm /

noun

  1. Also called: karyoplasm.  the protoplasm in the nucleus of a plant or animal cell that surrounds the chromosomes and 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

Other Word Forms

  • nucleoplasmatic adjective
  • nucleoplasmic adjective

Etymology

Origin of nucleoplasm

First recorded in 1885–90; nucleo- + -plasm

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.

Differentials in pH between condensates and the surrounding nucleoplasm generate gradients and "a pH gradient generates what is known as a proton motive force," King said.

From Science Daily • Mar. 18, 2024

The nucleoplasm is the semi-solid fluid inside the nucleus, where we find the chromatin and the nucleolus.

From Textbooks • Jun. 9, 2022

The nuclear envelope is punctuated with pores that control the passage of ions, molecules, and RNA between the nucleoplasm and cytoplasm.

From Textbooks • Jun. 9, 2022

Inside the nuclear envelope is a gel-like nucleoplasm with solutes that include the building blocks of nucleic acids.

From Textbooks • Jun. 19, 2013

The variety of protoplasm contained in the nucleus is called the nucleoplasm.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.