ectoderm(redirected from Embryonic ectoderm)
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1. The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and, in vertebrates, sense organs develop.
2. The outer layer of a diploblastic animal, such as a jellyfish.
ec′to·der′mal, ec′to·der′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.
ˌectoˈdermal, ˌectoˈdermic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
the outer germ layer in the embryo of a metazoan.
ec`to•der′mal, ec`to•der′mic, adj.
ec`to•der•moi′dal (-dərˈmɔɪd l) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
An embryo’s outer germ layer, which develops into structures including the brain and skin. See endoderm,mesoderm
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||ectoderm - the outer germ layer that develops into skin and nervous tissue|
germ layer - (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
neural tube - a tube of ectodermal tissue in the embryo from which the brain and spinal cord develop
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n. ectodermo, la capa más externa del embrión.
English-Spanish Medical Dictionary © Farlex 2012