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Allantois
allantois [əˈlæntəʊɪs] 名词
allantois
Allantois (embryonaler Harnsack)
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单语范例(未经PONS编辑处理)
It is formed by the fusion of the mesodermal layers of two developmental structures: the allantois and the chorion.
en.wikipedia.org
In other words, the allantois takes no share in its formation.
en.wikipedia.org
The allantois, along with the amnion and chorion (other embryonic membranes), identify humans, and other mammals, as amniotes.
en.wikipedia.org
Between the 5th and 7th week of development, the allantois will become the urachus, a duct between the bladder and the yolk sac.
en.wikipedia.org
To compensate for this, the chorion and the allantois fuse together to form the chorioallantoic membrane.
en.wikipedia.org
互联网提供的例句(未经PONS编辑处理)
[...]
From stage 14, ca. 33 days, 14 the cloaca flattens in the frontal plane and extends somewhat in the sagittal plane, whereby from the upper rear and from both sides a mesenchymal condensation, the urorectal septum, arises in the angle between the allantois and the hindgut.
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embryology.ch
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Ab Stadium 14, ca. 33 Tage, 14 flacht sich die Kloake in der Frontalebene ab und dehnt sich in der Sagittalebene etwas aus, wobei von hinten oben und von beiden Seiten eine Mesenchymverdichtung, das Septum urorectale, im Winkel zwischen Allantois und Hinterdarm entsteht.
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In addition, at its end, it is connected to the allantois and to the mesonephric duct.
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embryology.ch
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Er steht am Ende ausserdem mit der Allantois und dem Ductus mesonephricus in Verbindung.
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In the beginning 9 the midgut stands in an open connection to the umbilical vesicle ( yolk sac ) and the allantois.
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embryology.ch
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Der Mitteldarm steht zu Beginn 9 noch in offener Verbindung zur Vesicula umbilicalis und der Allantois.
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Through the massive expansion of the brain the navel region with the umbilical vesicle and the allantois in the allantoic stalk become more compressed.
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embryology.ch
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Durch die mächtige Ausdehnung des Gehirns wird der Nabelbereich mit der Vesicula umbilicalis und der Allantois im Haftstiel noch mehr eingeengt.
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Due to the large axial growth the caudal end of the embryonic disk ( with the cloacal membrane ) comes to lie under the original embryonic disk and thus shoves the allantois and the body stalk in the ventral direction, up to the umbilical vesicle ( yolk sac ) and merges with its stalk.
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www.embryology.ch
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Aufgrund des grossen Axialwachstums kommt das kaudale Ende der Embryonalscheibe ( mit der Kloakenmembran ) unter die ursprüngliche Embryonalscheibe zu liegen und verschiebt so auch die Allantois und den Haftstiel in ventrale Richtung, bis hin zur Vesicula umbilicalis und verschmilzt mit seinem Stiel.
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在双语词典中的"allantois"译文