- any of a group of proteins, containing phosphorus, that occur in the nuclei of living cells
Examples from the Web for nuclein
The membrane of the vesicular nucleus is thin, but firm, and encloses a clear or finely granular mass of nuclein.
Also that there are other proteins and that the protoplasm is not all nuclein.
The nucleoproteins are composed of simple proteins and nuclein.Dietetics for Nurses
Fairfax T. Proudfit
The presence of nuclein in their bodies involves consequences which we are only beginning to perceive.
Those who admit the presence of nuclein but say that this is not morphologically differentiated from the protoplasm as a nucleus.
- Any of the substances present in the nucleus of a cell, consisting chiefly of proteins, phosphoric acids, and nucleic acids.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.