Results 131 to 140 of about 33,134 (302)
Journal of Anatomy, EarlyView.Geckos and anoline iguanid lizards are well‐known for their possession of adhesive toepads, which are generally regarded as being convergent structures. We show that the anatomical configuration of the foot in these two lineages differs markedly and that these differences likely relate to the contrasing ways they deploy their adhesive systems and ...
Anthony P. Russell +2 more
wiley +1 more source
THE ROLE OF THE SEMICIRCULAR CANALS IN THE ANGULAR ORIENTATION OF FISH* [PDF]
, 1971 Howard C. Howland
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Journal of Anatomy, EarlyView.The preservation of bony structures which enclose the hearing organs (ECD) provide a basis for interpreting the hearing capabilities of the extinct, flightless Dromornithidae (Aves). Although the length of the dromornithid ECD was especially short, relative to basicranial length, it conformed to the negative allometric scaling relationships observed in
Phoebe L. McInerney +2 more
wiley +1 more source
A spatial disorientation predictor device to enhance pilot situational awareness regarding aircraft attitude [PDF]
An effort was initiated at the Armstrong Aerospace Medical Research Laboratory (AAMRL) to investigate the improvement of the situational awareness of a pilot with respect to his aircraft's spatial orientation. The end product of this study is a device to
Albery, W. B. +2 more
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Journal of Anatomy, EarlyView.The study investigates the shape of the semicircular canals in the inner ear of three sister mole species—Talpa europaea, Talpa aquitania, and Talpa occidentalis—using geometric morphometrics on 58 specimens. It finds both interspecific and intraspecific variability in canal morphology, but no evidence of sexual dimorphism.
Alice Melekian +4 more
wiley +1 more source
Perception of the Body in Space: Mechanisms [PDF]
The principal topic is the perception of body orientation and motion in space and the extent to which these perceptual abstraction can be related directly to the knowledge of sensory mechanisms, particularly for the vestibular apparatus.
Young, Laurence R.
core +1 more source
Long‐term stability of transcrestal sinus augmentation
Periodontology 2000, EarlyView.Abstract Transcrestal sinus augmentation has emerged as a minimally invasive alternative to lateral window techniques for vertical bone augmentation in the edentulous maxilla. Since its early introduction and modification over the last several decades, this technique has demonstrated predictable outcomes for implant placement in regions with limited ...
Sandra H. Stuhr +4 more
wiley +1 more source
The induction and compensation of asymmetric eye movements following unilateral blockage of a horizontal semicircular canal in the rabbit [PDF]
, 1988 NH Barmack, V. E. Pettorossi
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An experimentally informed computational model of neurovestibular adaptation to altered gravity
Experimental Physiology, EarlyView.Abstract Transitions to altered gravity environments result in acute sensorimotor impairment for astronauts, leading to serious mission and safety risks in the crucial first moments in a new setting. Our understanding of the time course and severity of impairment in the early stages of adaptation remains limited and confounded by unmonitored head ...
Victoria G. Kravets, Torin K. Clark
wiley +1 more source
Experimental Physiology, EarlyView.Abstract We review our approach for undertaking microelectrode recordings from the posterior tibial nerve at the ankle, which has allowed us to identify, for the first time, the firing properties of muscle spindle endings in the intrinsic muscles of the foot and of cutaneous mechanoreceptors in the sole during unsupported standing.
Thomas P. Knellwolf +3 more
wiley +1 more source