Präparation des Labyrinths beim Katzenhai

Video in TIB AV-Portal: Präparation des Labyrinths beim Katzenhai

Formal Metadata

Title
Präparation des Labyrinths beim Katzenhai
Alternative Title
Labyrinth Preparation in the Small-spotted Dogfish
Author
License
CC Attribution - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF Signature
C 1557
Publisher
Release Date
1985
Language
German
Producer
Institut für den Wissenschaftlichen Film (IWF)
Production Year
1983

Content Metadata

Subject Area
Abstract
Freilegung der Schädelkapsel von Muskel- und Bindegewebe, Eröffnen der Labyrinthhohlräume durch Flachschnitte mit dem Skalpell, vorsichtiges Herauspräparieren der drei häutigen Bogengänge. Benutzung der Präparierwerkzeuge.
As a first step, the chondrocranium of the dogfish is cleaned from the skin and adhering muscles from above. By cautiously working with a scalpel, thin superficial layers of the cartilage are cut away until the holes of the three semicircular ducts are opened. The rest of the preparational proceeding is done by means of a pointed steel forceps which is used for cutting or breaking the cartilage away. In the final spots, the results of the preparation is displayed: The three semicircular ducts together with three ampullae and the utriculus in their natural spatial arrangement.
Keywords Katzenhai Hai / Katzenhai Scyliorhinus Präparation / Labyrinth Labyrinth Bogengänge catshark labyrinth lesser spotted dogfish preparation / labyrinth semicircular canals semicircular ducts small-spotted catshark
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