Deutoplasm n. (Biol.) The lifeless food matter in the cytoplasm of an ovum or a cell, as distinguished from the active or true protoplasm; yolk substance; yolk.
... jelly-like matter of which organisms are composed; hence:— Caryoplasm: the matter of the nucleus (caryon). Cytoplasm: the matter of the body of the cell. Deutoplasm: secondary or differentiated plasm. Metaplasm: secondary or differentiated plasm. Protoplasm: primitive ... — The Evolution of Man, V.1. • Ernst Haeckel