GERM PLASM By N., Pam M.S. - May 11, 2013 1. Cytoplasm in the egg cell giving rise to germ cell during development. 2. Hereditary material passing unchanged from one generation to the next. Now called DNA. GERM PLASM: "Germ plasm was described by August Weismann." Related Psychology Terms GERM LINE NUCLEOPLASM MUTATION ECTOPLASM GENETIC PREDISPOSITION CELL DIVISION CELL-CELL INTERACTIONS REPRODUCTIVE SUCCESS CELL-CELL INTERACTIONS SPERMATOGONIUM Cite this page: N., Pam M.S., "GERM PLASM," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/germ-plasm/ (accessed October 17, 2019).