Cytoplastic refers to anything that relates to the cytoplasm, which is a jelly-like substance within the cell membrane of a eukaryotic cell. Some synonyms for this word include cytoplasmic, protoplasmic, and cytochemical, all of which describe the properties and functions of the cytoplasm. Cytoplasmic refers specifically to the cytoplasm itself, while protoplasmic can also refer to the nucleus and other organelles within the cell. Cytochemical, on the other hand, refers to the chemical properties of the cytoplasm, such as its composition and reactions. All of these synonyms can be used interchangeably with cytoplastic to describe various aspects of cellular biology.