Results 141 to 150 of about 2,195 (192)
Observation of the Otolithic Membrane by Low-Vacuum Scanning Electron Microscopy
ORL, 1996 Untreated specimens (i.e. not fixed, dehydrated or embedded) of the otolithic membrane from the sacculus of guinea pigs were observed at the ultrastructural level by low-vacuum scanning electron microscopy (LVSEM). This technique revealed the presence of a 15- to 20-mu m-thick layer of an amorphous substance (the supraotolithic cupula zone) on the ...
Y, Nakai +3 more
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Evolution of Otolithic Membrane. Structure of Otolithic Membrane in Amphibians and Reptilians
Journal of Evolutionary Biochemistry and Physiology, 2004 Otolithic membrane of utricles, saccules, and lagena of amphibians (Bufo bufo, Xenopus laevis, Rana temporaria) and reptiles (Teratoscincus scincus, Agama sanguinolenta, Ophisaurus apodus, Caiman crocodilus) were studied using light and scanning electron microscopy.
D. V. Lychakov
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Models of the dynamics of otolithic membrane and hair cell bundle mechanics*
Journal of Vestibular Research, 2001 Dynamic behavior of an otolithic membrane (OM) was studied analytically using simplified homogeneous viscoelastic (Kelvin-Voight body) model of the OM. The OM was represented by a thin plate attached to a macular plane. Viscoelastic properties of the OM determine the specific times ( T 1 and T 2 ) and frequency-dependent behavior of the local ...
A.V. Kondrachuk
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Ultrastructure of the Otoliths and Otolithic Membrane of the Macula Utriculi in the Guinea PIG
Acta Oto-Laryngologica, 1971 The fine structure of the otoliths and oto-lithic membrane of the macula utriculi in the guinea pig has been studied. It has been confirmed that it adopts a wavy arrangement, being formed of two zones of different electronic densiiy, one marginal and the other medial. Of these zones the former is composed of fibres and an interfibrillar substance.
J, Marco +2 more
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Hair-bundle stiffness dominates the elastic reactance to otolithic-membrane shear
Hearing Research, 1993 Efficient transduction by acousticolateralis organs requires that a stimulus force principally deflect hair bundles, rather than flex other structural elements. Hair bundles might therefore be expected to provide a large fraction of the impedence to shear motions of otolithic membranes and other accessory structures. We measured the stiffness for shear
M E, Benser, N P, Issa, A J, Hudspeth
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Cupula, Cupular Zone of Otolithic Membrane, and Tectorial Membrane in the Squirrel Monkey
Acta Oto-Laryngologica, 1969 The microscopic architecture of the cupula was studied in subhuman primates. It was determined that the cupula has a honeycomb-like mesh-work and that this meshwork may contain both neutral and acid poly-saccharides, as well as mucoprotein. The nature of the contents in the space enclosed by this meshwork is not certain although the existence of a ...
M, Igarashi, B R, Alford
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The effect of inertial force acceleration on the otolithic membrane
IEEE Engineering in Medicine and Biology Magazine, 2000 The purpose of this study was to examine the response of the otolithic membrane to vertical (Gz-axis) linear acceleration force. By collecting subjective sensation and objective data (vestibulo-spinal reflex response), our study investigated the consequence of exposing these sensory membranes to linear acceleration shear forces. We compared the pilot's
I, Koren, C S, Lessard
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Surface View of the Guinea Pig Otolithic Membrane
ORL, 1970 Providing direct three-dimensional visualization, scanning electron microscopy gives more detailed information about shape, surface and arrangement pattern of the statoconia than all previous methods. Scanning electron microscopic surface views of the guinea pig otolithic membrane are presented, and the relevance of the results is discussed with ...
B. Kellerhals, E. Marti, W. Villiger
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Fine Structure of the Otolithic Membrane in the Squirrel Monkey
Acta Oto-Laryngologica, 1969 The zonal structures of the otolithic membrane in the squirrel monkey were investigated by electron microscopy, and the different morphology at the different zones was described. The definite existence of the cupular zone and subcupular zone was determined in the subhuman primates and some functional considerations were made.
M, Igarashi, T, Kanda
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