Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Nearby Words

embryonic disk

 - 5 dictionary results

embryonic disk

 
Use embryonic disk in a Sentence
–noun Embryology.
1. Also called embryonic shield. in the early embryo of mammals, the flattened inner cell mass that arises at the end of the blastocyst stage and from which the embryo begins to differentiate.
2. the blastodisk of yolky eggs.
Origin:
1935–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To embryonic disk
embryonic disk  
n.  

  1. A platelike mass of cells in the blastocyst from which a mammalian embryo develops. Also called embryonic shield.

  2. See germinal disk.

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.
Cite This Source
Medical Dictionary

Main Entry: embryonic disk
Variant: or embryonic disc
Function: noun
1 a : BLASTODISC b : BLASTODERM
2 : the part of the inner cell mass of ablastocyst from which the embryo of a placental mammal develops called also embryonic shield
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

embryonic disk n.

  1. A platelike mass of cells in the blastocyst from which a mammalian embryo develops. Also called embryonic shield.

  2. See germinal disk.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Search another word or see embryonic disk on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way