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Horseshoe Imprint.
Isr Med Assoc J
November 2021
Department of Neurology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
Ultrastructure of the Odontocete organ of Corti: scanning and transmission electron microscopy.
J Comp Neurol
February 2015
Laboratory of Applied Bio-Acoustics, Technological Center of Vilanova i la Geltrú, Technical University of Catalonia-Barcelona Tech, 08800, Vilanova i la Geltrú, Barcelona, Spain; Zoology Department, The University of British Columbia, V6T 1Z4 Vancouver, Canada.
The morphological study of the Odontocete organ of Corti, together with possible alterations associated with damage from sound exposure, represents a key conservation approach to assess the effects of acoustic pollution on marine ecosystems. By collaborating with stranding networks from several European countries, 150 ears from 13 species of Odontocetes were collected and analyzed by scanning (SEM) and transmission (TEM) electron microscopy. Based on our analyses, we first describe and compare Odontocete cochlear structures and then propose a diagnostic method to identify inner ear alterations in stranded individuals.
View Article and Find Full Text PDFHorseshoe bats make adaptive prey-selection decisions, informed by echo cues.
Proc Biol Sci
October 2011
Animal Physiology, Institute for Neurobiology, University of Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany.
Foragers base their prey-selection decisions on the information acquired by the sensory systems. In bats that use echolocation to find prey in darkness, it is not clear whether the specialized diet, as sometimes found by faecal analysis, is a result of active decision-making or rather of biased sensory information. Here, we tested whether greater horseshoe bats decide economically when to attack a particular prey item and when not.
View Article and Find Full Text PDFDeterminants of echolocation call frequency variation in the Formosan lesser horseshoe bat (Rhinolophus monoceros).
Proc Biol Sci
November 2009
School of Biological Sciences, University of Bristol, , Bristol BS8 1UG, UK.
The origin and maintenance of intraspecific variation in vocal signals is important for population divergence and speciation. Where vocalizations are transmitted by vertical cultural inheritance, similarity will reflect co-ancestry, and thus vocal divergence should reflect genetic structure. Horseshoe bats are characterized by echolocation calls dominated by a constant frequency component that is partly determined by maternal imprinting.
View Article and Find Full Text PDFUltrastructure of the horseshoe bat's organ of Corti. I. Scanning electron microscopy.
J Comp Neurol
April 1992
INSERM U254, Laboratoire de Neurobiologie de l'Audition, Hôpital St. Charles, Montpellier, France.
The organ of Corti of the echolocating horseshoe bat (Rhinolophus rouxi) was investigated with scanning electron microscopy in order to provide a comparison with non-echolocating mammals. Throughout the cochlea of horseshoe bats, each outer hair cell (OHC) possesses three rows of stereocilia and there are no morphological distinctions among the different rows of OHCs. However, there are morphological differences between different regions along the cochlea.
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