Metamorphose der Actinotrocha branchiata (Phoronis muelleri, Tentaculata)

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Formal Metadata

Title
Metamorphose der Actinotrocha branchiata (Phoronis muelleri, Tentaculata)
Alternative Title
Metamorphosis of the Actinotrocha branchiata (Phoronis muelleri, Tentaculata)
Author
Herrmann, Karl
DOI
IWF Signature
C 1152
Publisher
IWF (Göttingen)
Release Date
1975
Language
German
Producer
IWF
Production Year
1974

Technical Metadata

IWF Technical Data
Film, 16 mm, LT, 131 m ; SW, 12 min

Content Metadata

Subject Area
Abstract
Habitus und Differenzierung der Actinotrocha. Zunahme der Tentakelzahl, Bildung des Metasomadivertikels, der Scheitelplatte, des birnenförmigen Organs und der adulten Tentakelanlagen. Metamorphose zur Phoronis: Ausstülpen des Metasomadivertikels, Einziehen des Darms, Bildung der Ampulle, Umbildung in der Episphäre und in der Tentakelregion, Einziehen des Telotrochs, Funktionsbeginn des Blutgefäßsystems. Habitus und Lebensweise des adulten Tieres.
Habit and differentiation of the actinotrocha. Increase in the number of tentacles; formation of the metasomal diverticula, the apical nervous thickening, the pear-shaped organ and of the adult tentacles. Metamorphosis to Phoronis: evagination of the mesodermal diverticulum; invagination of the gut into the diverticulum; formation of the ampule; transformation of the episphere and of the tentacle region; invagination of the telotrochs; circulatory system beginning to function. Habit and way of life of adult animal.
Keywords
Wurm / Hufeisenwurm
Hufeisenwurm
Actinotrocha branchiata
Phoronis muelleri
Metamorphose
Larven / Tentaculata
larvae / Tentaculata
metamorphosis
Phoronis muelleri
Actinotrocha branchiata
Horseshoe worm
worm / Horseshoe worm
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Timings

  284 ms - page object

Version

AV-Portal 3.9.1 (0da88e96ae8dbbf323d1005dc12c7aa41dfc5a31)