germ-plasm

(jurm'plazm). The substance in the nuclei of the germinal cells of the ovary and testicle resulting from the duplicative division of the cells of the ovum; by this is meant a division whereby each segment is made up of equal and similar determinants and is thus po e ed of the same character and capacity as the ovum itself; the id or part of a germ-cell containing the hereditary principle, idioplasm.