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.

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

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.

ectoderm

An embryo’s outer germ layer, which develops into structures including the brain and skin. See endoderm,mesoderm
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
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
Translations

ec·to·derm

n. ectodermo, la capa más externa del embrión.
References in periodicals archive ?
Tuberous sclerosis is a neurocutaneous disorder characterised by the development of multiple benign tumours of the embryonic ectoderm.
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).
The embryo showed embryonic ectoderm and endoderm, it now had reached the gastrula stage.