noun.
The contents of a cell except for the nucleus. It includes cytosol, organelles, vesicles, and the cytoskeleton.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism
Word Usage
"Getting proteins into mitochondria from the cytoplasm is a remarkable process, and just creating and then dealing with the signal sequences involved seems to be a bit much to ask of mutation and selection acting all on their own."