Audiovisual: Visualization of the acoustic organ of Spheniscus demersus (Spheniscidae, Aves) via diceCT at the Museum für Naturkunde Berlin
|author(s):||Bendel, E.; Westphal, N.; Frahnert, S.|
|date of publication:||2019|
|abstract:||The videos show the digital reconstruction of ear structures of an adult specimen of the African penguin (Spheniscus demersus). The segmentation was performed based on the CT scans of a head stored in ...
The videos show the digital reconstruction of ear structures of an adult specimen of the African penguin (Spheniscus demersus). The segmentation was performed based on the CT scans of a head stored in alcohol at the ornithological collection at the Museum für Naturkunde Berlin (inventory number ZMB 2000.12789). The specimen was stained with Lugol's iodine to make soft tissues visible.|
The visualization shows the bony ear structures as well as the external ear canal, tympanic membrane, the eustachian tube, the membranous labyrinth and the vestibulocochlear nerve as well as the facial nerve. Due to unspecific standard museums fixation methods the membranous labyrinth is conserved only partially and shows some artefacts. The videos allow the insight into the structures from different perspectives as well as the localization in the skull.
The studies are part of the project "Hearing in Penguins" funded by the Umweltbundesamt (German Environment Agency).
|license:||Public Domain (CC0)|
Spheniscus demersus – Anatomy of the ear: 3D model with verbal explanations in German and English subtitles
Spheniscus demersus – Anatomie des Ohres: 3D Modell mit Erklärungen in Deutsch und englischen Untertiteln