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germinal disk

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Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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germinal disk  
n.  A flattened, disklike region of cells from which the embryo begins to develop in the fertilized ovum of many vertebrate species. Also called blastodisk, embryonic disk.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: germinal disk
Function: noun
1 : BLASTODISC
2 : thepart of the blastoderm that forms the embryo proper of an amniote vertebrate
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

germinal disk n.
A flattened, disklike region of cells from which the embryo develops in the fertilized ovum of many vertebrate species. Also called embryonic disk.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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