The Collaborative International Dictionary
Deutoplasm
Deutoplasm \Deu"to*plasm\, n. [Pref. deuto- + Gr. ? form.] (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.
Wiktionary
deutoplasm
n. (context biology English) The lifeless food matter in the cytoplasm of an ovum or a cell, as distinguished from the active or true protoplasm; yolk substance.