نتایج جستجو برای: sagitta otolith

تعداد نتایج: 1998  

Journal: :Annals and Magazine of Natural History 1894

Journal: :Journal of neurophysiology 2002
H Straka S Holler F Goto

Second-order vestibular neurons (2 degrees VN) were identified in the isolated frog brain by the presence of monosynaptic excitatory postsynaptic potentials (EPSPs) after separate electrical stimulation of individual vestibular nerve branches. Combinations of one macular and the three semicircular canal nerve branches or combinations of two macular nerve branches were stimulated separately in d...

Journal: :BIO web of conferences 2021

We studied the species diversity and abundance of small terrestrial mammals in spring autumn period 2016-2019 four groups habitats protected area “Sarykum barkhans” Dagestan Nature Reserve: barkhan, floodplain forest, ailant plantations, territory cordon. During study period, 10 were recorded – E. roumanicus, C. suaveolens, leucodon, M. musculus, macedonicus, A. fulvipectus, migratorius, social...

Journal: :Turkish Journal of Zoology 2023

Pagellus acarne is found in coastal waters worldwide and it includes important species of commercial recreational fisheries. In this study, 16 morphometric variables the sagittal otolith, including six characters, shape indices, four ecomorphological indexes, were investigated for first time among P. stocks collected from Aegean Marmara Seas coasts Turkey. Statistically significant differences ...

CH Lai FX Zhang SK Lai YS Chan

Brain-derived neurotrophic factor (BDNF) is known to be crucial for the development of peripheral vestibular neurons. However, the maturation profile of the BDNF signal transducing receptor, tyrosine kinase B (TrkB) in functionally activated otolith-related vestibular nuclear neurons of postnatal rats remains unexplored. In the present study, conscious Sprague-Dawley rats (P4 to adult) were sub...

Journal: :Acta astronautica 2005
Steven T Moore André Diedrich Italo Biaggioni Horacio Kaufmann Theodore Raphan Bernard Cohen

Four payload crewmembers were exposed to sustained linear acceleration in a centrifuge during the Neurolab (STS-90) flight. In contrast to previous studies, otolith-ocular reflexes were preserved during and after flight. This raised the possibility that artificial gravity may have acted as a countermeasure to the deconditioning of otolith-ocular reflexes. None of the astronauts who were centrif...

CH Lai FX Zhang SK Lai YS Chan

Brain-derived neurotrophic factor (BDNF) is known to be crucial for the development of peripheral vestibular neurons. However, the maturation profile of the BDNF signal transducing receptor, tyrosine kinase B (TrkB) in functionally activated otolith-related vestibular nuclear neurons of postnatal rats remains unexplored. In the present study, conscious Sprague-Dawley rats (P4 to adult) were sub...

Journal: :Biological reviews of the Cambridge Philosophical Society 2016
Danswell Starrs Brendan C Ebner Christopher J Fulton

Obtaining biological and spatial information of the early life history (ELH) phases of fishes has been problematic, such that larval and juvenile phases are often referred to as the 'black box' of fish population biology and ecology. However, a potent source of life-history data has been mined from the earstones (otoliths) of bony fishes. We systematically reviewed 476 empirical papers publishe...

2001
M. Bajko

The 15-m long superconducting dipoles of the Large Hadron Collider (LHC) with two-in-one design are curved by about 5 mrad to follow the beam trajectory. They are supported on three cold feet to minimise the vertical sagitta induced by their 35 tonnes weight. The cold masses contain at both ends local multipolar correctors to compensate for the detrimental effect of persistent current during in...

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