Temat: bony labyrinth - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: A preliminary study of three-dimensional reconstruction of the human osseous labyrinth from micro-computed tomography scans
Autorzy:: Wróbel, Andrzej
Skrzat, Janusz
Walocha, Jerzy
Opis:: The adult human temporal bone was investigated using micro-CT scans. Various aspects of the osseous labyrinth were presented in figures which are effect of the volume rendering. The 3D reconstructions were performed to visualize the cochlea and the semicircular canals embedded in the petrous bone. The final product of this study was a digital three-dimensional model of the entire osseous labyrinth which can be viewed at different angles on the computer screen.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 2.

Tytuł:: Radiologic anatomy of the middle ear and internal ear in computed tomography images
Autorzy:: Wojciechowski, Tomasz
Tematy:: bony labyrinth
computed tomography
middle ear
temporal bone; Pokaż więcej
Wydawca:: Index Copernicus International
Powiązania:: https://bibliotekanauki.pl/articles/58809988.pdf Link otwiera się w nowym oknie
Opis:: The development of imaging methods that has taken place in the last twenty years and the increase in the availability of highresolution CT of temporal bones makes it possible to analyze the complex anatomy of the interior of temporal bone in detail with even greater accuracy. Simultaneous advances in middle ear surgery require from the surgeon to be proficient in interpreting imaging studies. This approach creates the possibility of selecting the treatment method individually for each patient and may also contribute to reducing the risk of complications. The article presents a description of CT examination technique with a historical outline, as well as the interpretation of the CT scan of temporal bones along with a description of the anatomical structures, with particular emphasis on the structures of the middle ear. In addition, anatomical variants that may be encountered by a person viewing images obtained with this method are presented.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Palaeoneurology and palaeobiology of the dinocephalian therapsid Anteosaurus magnificus
Autorzy:: Benoit, J.
Kruger, A.
Jirah, S.
Fernandez, V.
Rubidge, B.S.
Tematy:: Therapsida
Dinocephalia
head-butting
carnivory
trigeminal nerve
bony labyrinth; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Paleobiologii PAN
Powiązania:: https://bibliotekanauki.pl/articles/2082279.pdf Link otwiera się w nowym oknie
Opis:: Dinocephalians (Therapsida), some of the earliest amniotes to have evolved large body size, include the carnivorous Anteosauria and mostly herbivorous Tapinocephalia. Whilst the palaeoneurology of the Tapinocephalia has been investigated in Moschognathus whaitsi, that of the Anteosauria remains completely unknown. Here we used X-ray micro-Computed Tomography to study, for the first time, the palaeoneurology of Anteosaurus magnificus. Compared to Moschognathus, we reconstruct Anteosaurus as an agile terrestrial predator based on the enlarged fossa for the floccular lobe of the cerebellum and semicircular canals of the inner ear. A major difference between the two genera resides in the orientation of the braincase, as indicated by the angle between the long axis of the skull and the plane of the lateral semicircular canal. This angle is 25° in Anteosaurus, whereas it is 65° in Moschognathus, which suggests that the braincase of the latter was remodelled as an adaptation to head-butting. This is consistent with less cranial pachyostosis and the retention of a large canine in Anteosauria, which suggests that dentition may have been used for intraspecific fighting and display in addition to trophic interactions. The evolution of a thick skull, horns, and bosses in tapinocephalids parallels the evolutionary reduction of the canine, which lead to a shift of the agonistic function from the mouth to the skull roof, as observed in extant social ungulates. Similarly, tapinocephalians may have developed complex social behaviour.
Dostawca treści:: Biblioteka Nauki

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