The Collaborative International Dictionary
Nuclein \Nu"cle*in\, n. (Physiol. Chem.) A constituent of the nuclei of all cells, containing protein and nucleic acid. It is a colorless amorphous substance, readily soluble in alkaline fluids and especially characterized by its comparatively large content of phosphorus. It also contains nitrogen and sulphur.
Wiktionary
n. (context biochemistry English) A phosphorus-rich protein found in the nucleus of a cell, later specifically nucleohistone or nucleoprotamine; also, any similar compound present in the cell nucleus. (from 19th c.)
Usage examples of "nuclein".
Its fiber contents are semifluid and can be forced out as muscle plasma by pressure, leaving a residue of sarcolemma, connective tissue, keratin, mucin, nuclein, and so on.
Its fiber contents are semifluid and can be forced out as muscle plasma by pressure, leaving a residue of sarcolemma, connective tissue, keratin, mucin, nuclein, and so on.