deutoplasm

{{Short description|Food particles in the cytoplasm of an ovum or a cell}}

{{cleanup|reason=Egg yolk is outside the cell, but human "deutoplasm" is the granular protein stuff inside the ovum. Make this make sense. The 1911 reference is not helping.|date=November 2024}}

The deutoplasm comprises the food particles stored in the cytoplasm of an ovum or a cell, as distinguished from protoplasm, the yolk substance. Generally, the deutoplasm accumulates about the nucleus and is heavier than the surrounding cytoplasm. In chicken eggs, the cytoplasm and deutoplasm are separate.{{cite book |last= Bailey|first= Frederick|date= 1911|title= Text-book of Embryology|url= https://archive.org/details/cu31924002969255|quote= deutoplasm is the food in cytoplasm.|publisher= W.Wood and Company|page= [https://archive.org/details/cu31924002969255/page/n35 12]}}

The primary function of the deutoplasm is to provide the developing embryo with additional nutrients, such as vitamins, minerals, proteins and lipids.{{cite book|page=205|isbn=978-0-12-815145-7|url=https://books.google.com/books?id=m4RlDwAAQBAJ|title=Encyclopedia of Reproduction|date=29 June 2018|publisher=Academic Press}}