deutoplasm

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deu·to·plasm

 (do͞o′tə-plăz′əm, dyo͞o′-)
n.
The nutritive substances or yolk in the cytoplasm of an ovum or other cell.
deu′to·plas′mic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

deutoplasm

(ˈdjuːtəˌplæzəm) or

deuteroplasm

n
(Biology) rare nutritive material in a cell, esp the yolk in a developing ovum
ˌdeutoˈplasmic, ˌdeutoˈplastic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

deu•to•plasm

(ˈdu təˌplæz əm, ˈdyu-)

n.
nutritive material, as yolk, in an egg or ovum.
[1880–85; < Greek deút(eros) second + -o- + -plasm]
deu`to•plas′mic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive
In this study, the term egg refers to the entire embryo (i.e., the entire contents of the fertilized egg), the term embryo refers to the differentiated part of the egg as distinct from the yolk, and the term yolk refers to the undifferentiated deutoplasm. For each egg, the area and the mean, minimum, and maximum diameter were measured.
Embryo development in golden king crab (Lithodes aequispinus)
Thus, deutoplasm growth begins within hydrological spring in all of the populations investigated.
Reproduction Cycles and Strategies of the Cold-Water Sponges Halisarca dujardini (Demospongiae, Halisarcida), Myxilla incrustans and lophon piceus (Demospongiae, Poecilosclerida) From the White Sea
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