ectoderm

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ec·to·derm

 (ĕk′tə-dûrm′)
n.
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.

ectoderm

(ˈɛktəʊˌdɜːm) or

exoderm

n
(Biology) the outer germ layer of an animal embryo, which gives rise to epidermis and nervous tissue. See also mesoderm, endoderm
ˌectoˈdermal, ˌectoˈdermic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ec•to•derm

(ˈɛk təˌdɜrm)

n.
the outer germ layer in the embryo of a metazoan.
[1860–65]
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.

ectoderm

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
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ectoderm - the outer germ layer that develops into skin and nervous tissueectoderm - the outer germ layer that develops into skin and nervous tissue
ectoblast, exoderm
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

ec·to·derm

n. ectodermo, la capa más externa del embrión.
English-Spanish Medical Dictionary © Farlex 2012
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References in periodicals archive ?
Tuberous sclerosis is a neurocutaneous disorder characterised by the development of multiple benign tumours of the embryonic ectoderm. It is an autosomal dominant disease occurring equally in all races and ethnic groups and equally in both sexes.
Importance of histopathology in a case of tuberous sclerosis complex
Gastrulation begins with the formation of the primitive streak (E6.0 and E6.5) in the epiblast (future embryonic ectoderm) that will give rise to all fetal structures.
Cancer Is to Embryology as Mutation Is to Genetics: Hypothesis of the Cancer as Embryological Phenomenon
Meningoceles occur as a primary defect of the neural tube in the embryonic ectoderm causing a hernial protrusion of meninges through a defect in the skull or vertebral column (MAXIE & YOUSSEF, 2007).
Pulmonary choristoma associated with calf meningocele/ Coristoma pulmonar e meningocele em um bezerro

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