The Larger Foraminifer Heterostegina depressa - Multiple Fission in Microspheric and Megalospheric Generation

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Formal Metadata

Title
The Larger Foraminifer Heterostegina depressa - Multiple Fission in Microspheric and Megalospheric Generation
Alternative Title
Die Großforaminifere Heterostegina depressa - Vielteilung der mikrosphärischen und der megalosphärischen Generation
Author
License
CC Attribution - NonCommercial - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal and non-commercial purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF Signature
C 1506
Publisher
Release Date
1983
Language
English
Producer
IWF
Production Year
1982

Technical Metadata

IWF Technical Data
Film, 16 mm, LT, 116 m ; F, 10 1/2 min

Content Metadata

Subject Area
Abstract
The protoplasm retreats into the shell shortly before multiple fission. It then flows out through a system of channels before reforming on the shell surface. The second chamber is formed shortly after subdivision into daughter individuals. After a 13 h resting phase the offspring, which are still connected by maternal protoplasmic strands, are dispersed. They settle in the immediate vicinity and start to grow new shells. Time-lapse.
Keywords reproduction, asexual / Foraminifera distribution / Foraminifera cell biology Heterostegina depressa Foraminifera
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