n. The contents of a cell except for the nucleus. It includes cytosol, organelles, vesicles, and the cytoskeleton.
the GNU version of the Collaborative International Dictionary of English
n. The substance of the body of a cell, as distinguished from the karyoplasma, or substance of the nucleus.
The Century Dictionary and Cyclopedia
n. Same as protoplasm.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. 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."