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Ektoderm
ectoderm [ˈektəʊˌdɜːm] 名词
ectoderm
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单语范例(未经PONS编辑处理)
Axial mesoderm cells under the ectoderm secrete inhibitory signals called chordin, noggin and follistatin.
en.wikipedia.org
Animals with radial symmetry, like cnidarians, produce two germ layers (the ectoderm and endoderm) making them diploblastic.
en.wikipedia.org
The nervous system grows from the ectoderm (which also contributes dental enamel and the epidermis).
en.wikipedia.org
This means that two embryonic discs could only unite in locations where the ectoderm is absent.
en.wikipedia.org
It is not a teratoma, however, which is a neoplasm comprising all three germ cell layers (ectoderm, endoderm, mesoderm).
en.wikipedia.org
互联网提供的例句(未经PONS编辑处理)
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A median termination disorder of the abdominal wall below the navel is involved, which is caused by an absent migration of the mesoderm between the ectoderm and the cloaca during the 4th week of development.
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embryology.ch
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Es handelt sich um eine mediane Schlussstörung der Abdominalwand unterhalb des Nabels, welche durch eine ausbleibende Wanderung von Mesoderm zwischen Ektoderm und der Kloake im Laufe der 4. Woche der Entwicklung bedingt ist.
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The morphologic segmentation in this region is based on the differing expression of certain homebox- and other genes, their products being released from the neural tube (mesencephalon [ midbrain ] and rhombencephalon [ hindbrain ]) , whereby finally interaction with the ectoderm also plays a decisive role.
www.embryology.ch
[...]
Die morphologische Segmentation im diesem Bereich beruht auf unterschiedlicher Expression von gewissen Homebox- und anderen Genen ausgehend vom Neuralrohr ( Mesenzephalon und Rhombenzephalon ), wobei auch die Interaktion mit dem Ektoderm schliesslich eine entscheidende Rolle spielt.
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Since the musculature and connective tissue are not present, the anterior wall of the bladder ( endoderm ) is covered by only a thin layer of skin ( ectoderm ).
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embryology.ch
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Da Muskulatur und Bindegewebe nicht vorhanden sind, ist die vordere Wand der Blase ( Endoderm ) nur von einer dünnen Hautschicht ( Ektoderm ) bedeckt.
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Subsequently, the AH loses the contact to the ectoderm and, through further embryonic flexion and the expansion of the prosencephalon ( = future di- and telencephalon ) gets displaced at the cerebral base together with the NH.
www.embryology.ch
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Die AH verliert in der Folge den Kontakt zum Ektoderm und wird durch die weitere Flexion des Embryos bzw. die Ausdehnung des Prosencephalons ( = künfitges Di- und Telencephalon ) zusammen mit der NH an die Hirnbasis verlagert.
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These factors diffuse in the direction of the ectoderm cells that lie above them where they activate genes that are responsible for the differentiation of epithelium that has come from the ectoderm into several rows of prismatic epithelium: the neuroectoblast.
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www.embryology.ch
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Diese Substanzen diffundieren in Richtung der darüber liegenden Ektodermzellen, wo sie Gene aktivieren, die für die Differenzierung des aus dem Ektoderm entstandenen Epithels in ein mehrreihiges, prismatisches Epithel verantwortlich sind: Das Neuroektoblast.
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在双语词典中的"ectoderm"译文