some of the substances within the nucleus of a cell, consisting mainly of proteins, phosphoric acids, and nucleic acids.
A constituent for the nuclei of most cells, containing necessary protein and nucleic acid. It is a colorless amorphous material, readily dissolvable in alkaline liquids and especially described as its relatively large content of phosphorus. It also contains nitrogen and sulphur.
The phosphorized nitrogenous constituent of cell-nuclei.