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Triturus alpestris alpestris (Salamandridae) - Embryonalentwicklung   [Other Title]

Triturus alpestris alpestris (Salamandridae) - Embryonic Development   [Title Translation]
Year of origin: 1957-1958
Genre: Documentary Film
Locations of shooting: n/a

Credits
Production company: IWF (Göttingen)
First released by: IWF (Göttingen)
Distributor: IWF (Göttingen)
Author: Wolfgang Luther


Keywords: Amphibia, Amphibia, Bergmolch, Bergmolch, Embryonalentwicklung, Furchung, Gastrulation, Gewebedifferenzierung, Keimblattbildung, Molch, Triturus alpestris, Alpine newt, Amphibia, Amphibia, cleavage, embryonic development, gastrulation
The normal development of Triturus alpestris from the uncleaved egg to straightening of the embryo in the tail bud stage is shown in a time-lapse film. Cleavage, and its further progress to blastula, is shown first followed by gastrulation. In the vegetative area underneath the equator the blastoporus is formed. After closing of the blastoporus the neural folds appear bounding the neutral plate. When the neural folds are fused, head rudiment and tail bud become more evident. While the embryo straightens in tail bud stage, rudiments of somites and heart are clearly to be seen. Further gill, pronephros, optic and otic protuberances are distinct.

Version 1
Language: NULL
Sound: n/a
Aspect: n/a
Duration: 8 1/2 min

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Copyright Information IWF Institut Wissen und Medien gGmbH
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Version 2
Language: NULL
Sound: n/a
Aspect: n/a
Duration: 8 1/2 min

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Version 3
Language: NULL
Sound: n/a
Aspect: n/a
Duration: 8 1/2 min

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Length 94 m Request Copy Button
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Copyright Information IWF Institut Wissen und Medien gGmbH
License Information Film can be licensed