Medical term:
nucleosome
nucleosome
[noo´kle-o-sōm″]any of the complexes of histone and DNA in eukaryotic cells, seen under the electron microscope as beadlike bodies on a string of DNA.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
nu·cle·o·some
(nū'klē-ō-sōm'),A localized aggregation of histone and DNA that is evident when chromatin is in the uncondensed stage.
Synonym(s): nu body
[nucleo- + G. sōma, body]
Farlex Partner Medical Dictionary © Farlex 2012
nucleosome
(no͞o′klē-ə-sōm′, nyo͞o′-)n.
Any of the repeating subunits of chromatin found in eukaryotes, consisting of a DNA chain coiled around a core of histones.
nu′cle·o·som′al (-sō′məl) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
nucleosome
A nucleic acid and protein complex, which is the basic structural unit of chromatin, composed of a segment of DNA wrapped around a core of histone molecules.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
nu·cle·o·some
(nū'klē-ō-sōm)A localized aggregation of histone and DNA that is evident when chromatin is in the uncondensed stage.
[nucleo- + G. sōma, body]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
nucleosome
The structural subunit of CHROMATIN consisting of about 200 BASE PAIRS and a barrel-shaped core of eight histone protein molecules (an octamer).Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
nucleosome
the basic structural unit of the eukaryote chromosome, being composed of four pairs of HISTONE proteins (H2A, H2B, H3 and H4) that are combined to form an octomer around which is wrapped about 150 nucleotide pairs of DNA.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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