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外胚层

File:Ectoderm.png · Wikimedia Commons · See Wikimedia Commons

EntityQ272474· pop 45· linked from 450 articles

The ectoderm is one of the three primary germ layers formed in early embryonic development. It is the outermost layer, and is superficial to the mesoderm (the middle layer) and endoderm (the innermost layer). It emerges and originates from the outer layer of germ cells. The word ectoderm comes from the Greek ektos meaning "outside", and derma meaning "skin".

Key facts

Embryology.Name
Ectoderm
Embryology.Image
Ectoderm.png
Embryology.Caption
Organs derived from ectoderm.
Embryology.Image2
Gray11.png
Embryology.Caption2
Section through embryonic disk of Vespertilio murinus.
Embryology.Days
16

via Wikipedia infobox

Wikidata facts

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Commons category
Ectoderm
topic's main category
Category:Ectoderm
NCI Thesaurus ID
C12703
Sources (6)

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Article · 中文

外胚层(Ectoderm)是胚胎最外的一层胚层。在绘图中,外胚层传统上用蓝色表示。 原始外胚层在形成的过程(神经系统形成的开始)中形成中胚层。下列器官由外胚层形成: * 皮肤(不包括真皮) * 神经系统 * 感觉器官 * 腦 * 牙齒

Abstract from DBpedia / Wikipedia · CC BY-SA

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