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Metamorphose der Actinotrocha branchiata (Phoronis muelleri, Tentaculata)

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Metadata

Formal Metadata

Title Metamorphose der Actinotrocha branchiata (Phoronis muelleri, Tentaculata)
Alternative Title Metamorphosis of the Actinotrocha branchiata (Phoronis muelleri, Tentaculata)
Author Herrmann, Karl
DOI 10.3203/IWF/C-1152
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 Life Sciences
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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