Abstract
The crista ampullaris of the horizontal semicircular canal differs in shape from the cristae of the vertical canals in each species. The shape of the cristae, especially of the vertical canals, varies among the species. Some animals, such as cat, dog, mouse, bat, bird, tortoise and frog have a process called the eminentia cruciata in the vertical semicircular canal (Harada, 1974). This is most prominent in birds, which show a protrusion like a cross and have the cupula divided into two by the eminentia cruciata (Harada, 1972).
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References
Harada, Y. (1972). Surface structure of semicircular ampullae. Equilibrium Res. Suppl., 4, 53
Harada, Y. (1974). The shape of the vertical canal crista in various animals. Equilibrium Res., 33, 82
Igarashi, M. and Yoshinobu, T. (1969). Comparative observation of the eminentia cruciata in birds and mammals. Anat. Rec., 55, 269
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© 1983 MTP Press Limited
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Harada, Y. (1983). The shape of the cristae ampullares. In: Atlas of the Ear. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6598-0_24
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DOI: https://doi.org/10.1007/978-94-009-6598-0_24
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-009-6600-0
Online ISBN: 978-94-009-6598-0
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