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n. See nucleoplasm.

n. nucleoplasm

n. The protoplasmic substance of the nucleus of a cell; nucleoplasm; -- in opposition to cytoplasm, the protoplasm of the cell.

n. The substance of which the more definitely formed portions of the nucleus of a cell, including the nuclear wall, the nucleoli, and the intranucleolar network, are composed. The remaining substance of the cell is called the nuclear matrix or nuclear fluid. Also called nucleoplasm.

n. the protoplasm that constitutes the nucleus of a cell

"Its structure is that of an ordinary cell-nucleus, viz., it consists of a reticulum or karyomitome, the meshes of which are filled with karyoplasm, while connected with, or imbedded in, the reticulum are a number of chromatin masses or chromosomes, which may present the appearance of a skein or may assume the form of rods or loops."

karyoplasma   

protoplasm    living substance