Features of inner ear morphology of gibel carp Carassius gibelio (Cyprinidae)статья
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Дата последнего поиска статьи во внешних источниках: 11 мая 2022 г.
Аннотация:The mutual arrangement of the inner ear structures (membranous labyrinth) and their localizationin the neurocranium are studied in gibel carp Carassius gibelio. The upper anterior part of the labyrinth (parssuperior) is located at a substantial distance from its lower posterior part (pars inferior). The ventral region ofthe pars superior is freely located in the depression of the upper part of the prootic. The pars inferior includingthe sacculus and lagena is enclosed in a bone capsule of the basioccipital and bounded from above by a thinbony membrane (tectum basioccipital). The pars inferior structures that participated into the reception ofvibrations of the swim bladder wall are located at the same level as the elements of the Weberian apparatus.The crus communis of the pars superior transits into the elongated ductus utriculus-sacculus, which entersthe bony capsule through the medial opening in the tectum basioccipital. An updated scheme of the gibel carpinner ear is illustrated. The morphological and functional properties of the membranous labyrinth of the representatives of the group Otophysi are discussed