Sexual Reproduction in the Diatom Stephanopyxis turris (Centrales)

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Overview of vegetative cells and colonies. Emergence of spermatogonia, primary and secondary meiotic nuclear divisions in the spermatocytes, release of spermatozooids. Development of oogonia, primary and secondary meiotic nuclear divisions (pycnotic nuclei). Penetration of sperms into the oogonium, their migration to the egg nucleus, formation of auxospores with first and second shells, germination of initial cell. With time-lapse.

Object Details

• Alternative title: Geschlechtliche Fortpflanzung der Kieselalge Stephanopyxis turris (Centrales)
• Location: Hannover TIB
• Extent: 124MB, 00:10:05:00 (unknown)
• Language: Englisch
• Notes: Audiovisuelles Material

References and Relationships

• Bibliographic citation: Sexual Reproduction in the Diatom Stephanopyxis turris (Centrales) ; (Jan. 1969)

Classification and Topics

• Keyword: biology ; Biologie ; algae / diatom ; developmental cycles ; algae ; Algen ; Botanik ; reproduction, sexual / Chrysophyceae ; diatom ; Stephanopyxis turris ; fertilization / Chrysophyceae ; botany ; Entwicklungszyklen ; cell biology ; spores / Chrysophyceae

Contributors, Places and Time

• Event: Veröffentlichung
• (who): IWF (Göttingen)
• (when): 1969-01-01
• Contributor: Drebes, Gerhard

Further information

• DOI: 10.3203/IWF/C-983eng
• Last update: 04.12.2024, 8:09 AM CET