ENDOPLASM By N., Sam M.S. - 0 The less dense cytoplasm filling the bulk of the cell. Compare ectoplasm. ENDOPLASM: "The endoplasm is less dense than the cytoplasm." Related Psychology Terms ECTOPLASM CELL DIVISION VITREOUS HUMOR TRANSPORTER NEURON (Nerve Cell) BEHAVIORAL SINK GERM PLASM ELECTROSHOCK THERAPY (Elec- troconvulsive Therapy; EST, ECT) TYPE III CELL ADOLESCENCE (Theories) Cite this page: N., Sam M.S., "ENDOPLASM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/endoplasm/ (accessed September 30, 2022).