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Die Entwicklung des Seeigeleies (Psammechinus miliaris GMEL.)

Formal Metadata

Title
Die Entwicklung des Seeigeleies (Psammechinus miliaris GMEL.)
Alternative Title
The Development of the Ovum in the Sea Urchin (Psammechinus miliaris GMEL.)
Author
License
No Open Access License:
German copyright law applies. This film may be used for your own use but it may not be distributed via the internet or passed on to external parties.
Identifiers
IWF SignatureC 382
Publisher
Release Date
Language
Producer
Production Year1939

Technical Metadata

IWF Technical DataFilm, 16 mm, 116 m ; SW, 14 min

Content Metadata

Subject Area
Genre
Abstract
German
German
Historischer Film, Entwicklungsstufen des Seeigels: Eireifung mit Reduktionsteilung; Besamung und Abhebung der Befruchtungsmembran nach Eindringen der Spermatozoen; Befruchtung; Furchungsteilungen, verbunden mit mitotischen Teilungen, 2-, 4- und 8-Zellenstadium; Mikromeren-Bildung; Blastula- und Gastrula-Stadium mit Invagination; Organdifferenzierung; Pluteus-Larve. Mit Zeitraffung. Aufgenommen mit 16 B/s; Vorführgeschw. 18 B/s.
English
English
Historical film, stages of development of the sea urchin: egg maturation with reduction division; Insemination and lifting of the fertilization membrane after invasion of the spermatozoa; Fertilization; Cleavage divisions associated with mitotic divisions, 2-, 4- and 8-cell stages; Micromerization; Blastula and gastrula stages with intussusception; Organ differentiation; Pluteus larva. With time lapse. Recording speed 16 fps; projection speed 18 fps.
Keywords
German
German
English
English
IWF Classification
German
German
English
English