One of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the epidermis (skin) and nervous system of the adult.

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  • ectoderm — ECTODÉRM, ectoderme, s.n. Învelişul extern al embrionului, din care provin tegumentele şi sistemul nervos. ♦ Tegumentul extern al celenteratelor. – Din fr. ectoderme. Trimis de LauraGellner, 10.06.2004. Sursa: DEX 98  ECTODÉRM s. (biol.)… …   Dicționar Român

  • Ectoderm — Ec to*derm, n. [Ecto + derm.] (Biol.) (a) The outer layer of the blastoderm; epiblast. (b) The external skin or outer layer of an animal or plant, this being formed in an animal from the epiblast. See Illust. of {Blastoderm} …   The Collaborative International Dictionary of English

  • ectoderm — ectoderm. См. эктодерма. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • ectoderm — 1861, from ECTO (Cf. ecto ) + DERM (Cf. derm). Coined by Prussian embryologist Robert Remak (1815 1865) …   Etymology dictionary

  • ectoderm — [ek′tō dʉrm΄, ek′tədʉrm΄] n. [ ECTO + DERM] 1. the outer layer of cells of an animal embryo, from which the nervous system, skin, hair, teeth, etc. are developed 2. the layer or layers of cells composing the skin, nervous system, etc. in all… …   English World dictionary

  • Ectoderm — Infobox Embryology Name = PAGENAME Latin = GraySubject = 6 GrayPage = 48 Caption = Organs derived from ectoderm. Caption2 = Section through embryonic disk of Vespertilio murinus. System = CarnegieStage = Days = 16 Precursor = GivesRiseTo =… …   Wikipedia

  • Ectoderm — One of the three primary germ cell layers (the other two being the mesoderm and endoderm) that make up the very early embryo. The ectoderm is the outermost of the three layers. It differentiates to give rise to many important tissues and… …   Medical dictionary

  • ectoderm — ectodermal, ectodermic, adj. ectodermoidal /ek toh deuhr moyd l/, adj. /ek teuh derrm /, n. Embryol. the outer germ layer in the embryo of a metazoan. Also called ectoblast. [1860 65; ECTO + DERM] * * * ▪ anatomy       the outermost of the three… …   Universalium

  • ectoderm — The outer of the three germ layers of the embryo (the other two being mesoderm and endoderm). Ectoderm gives rise to epidermis and neural tissue …   Dictionary of molecular biology

  • ectoderm —   n. outermost membrane and tissue.    ♦ ectodermal,    ♦ ectodermic, a.    ♦ ectodermosis,   n. disease of the ectoderm …   Dictionary of difficult words

  • ectoderm — noun Etymology: International Scientific Vocabulary Date: 1859 1. the outer cellular membrane of a diploblastic animal (as a jellyfish) 2. a. the outermost of the three primary germ layers of an embryo that is the source of …   New Collegiate Dictionary

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