[PDF] Top 20 The neuronal control of dragonfly flight I Anatomy
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The neuronal control of dragonfly flight I Anatomy
... Motor neurones that innervate the same muscle cannot be distinguished by the sizes or positions of their cell bodies, or by the overall branching pattern of their dendritic processes, an[r] ... See full document
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Flight of the dragonflies and damselflies
... modern dragonfly in many respects, including having a broader hindwing than forewing, a broad thorax thought to contain powerful flight muscles, large mandibles and spiny legs that make Odonata such ... See full document
15
Dragonfly flight: free flight and tethered flow visualizations reveal a diverse array of unsteady lift generating mechanisms, controlled primarily via angle of attack
... In our dragonflies, and models, flapping kinematics are configured so that the Strouhal number is high enough that a LEV would be expected to form naturally over the wing and remain bound for the duration of the stroke. ... See full document
25
Maturational changes in troponin T expression, Ca2+ sensitivity and twitch contraction kinetics in dragonfly flight muscle
... Shortening velocity, tetanic tension and twitch contraction kinetics were measured from in situ preparations of individual mechanically isolated L. pulchella flight muscles. The head, wings and legs were removed ... See full document
10
Parasitic gut infection in Libellula pulchella causes functional and molecular resemblance of dragonfly flight muscle to skeletal muscle of obese vertebrates
... wings and legs were clipped off, after which the basalar muscle was mechanically isolated from the rest of the thorax via several small incisions around the humoral plate. A fine suture was then tied around the apodeme ... See full document
10
The neuronal control of dragonfly flight
... in mind that recordings were probably never made from the .spike initiation region of a tymbal motoneuron, the simplest explanation for this is that interneurons other than those involve[r] ... See full document
164
Alternative splicing, muscle contraction and intraspecific variation: associations between troponin T transcripts, Ca2+ sensitivity and the force and power output of dragonfly flight muscles during oscillatory contraction
... Many studies have examined the whole-organism functional consequences of allelic variation (Barnes and Laurie-Ahlberg, 1986; Barnes et al., 1989; Watt, 1992; Harrison et al., 1996; Powers and Schulte, 1998), but there ... See full document
14
Effects of body size on the oxygen sensitivity of dragonfly flight
... The power of interspecific comparative analyses depends on the phylogeny of the sampled species, number of species used, and, for questions of mass effects, on the range of species masses (Harvey and Pagel, 1991). ... See full document
10
Gain changes in sensorimotor pathways of the locust leg
... the neuronal mechanism of gain control for a sensorimotor feedback system of the locust middle leg, the neuronal network controlling the femur–tibia (FT) ...joint control system (Bässler, ... See full document
9
The neuronal control of dragonfly flight II Physiology
... Mechanisms which regulate the timing of contraction and the power output of different muscles make use of variation in the number of motor neurones that spike and the number of spikes in[r] ... See full document
16
Dragonfly flight I Gliding flight and steady state aerodynamic forces
... on dragonfly wings have previously been measured from gliding dragonfly models (Newman et ...realistic dragonfly wing cross sections, whereas Azuma and Watanabe (1988) used real dragonfly ... See full document
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Linking biomechanics and ecology through predator–prey interactions: flight performance of dragonflies and their prey
... predator–prey flight trajectories analyzed here never approached the edges of the calibrated airspace; most trajectories remained within the inner third of the filming area (with buffer zones of ... See full document
11
Large scale changes in thermal sensitivity of flight performance during adult maturation in a dragonfly
... the flight musculature (an increase in cell size and mitochondrial elaboration) constitutes a large portion of this ...in flight; they are primarily sit-and-wait predators in early successional habitats ... See full document
8
Anatomy of Motor Axons to Direct Flight Muscles in Drosophila
... D This posterior branch of the ADM nerve contains one large axon innervating muscle pal and five smaller axons which travel posteriorly across the pleural apophysis to innervate posterio[r] ... See full document
16
A computational study of the aerodynamics and forewing hindwing interaction of a model dragonfly in forward flight
... the dragonfly Aeshna juncea in hovering flight, the following kinematic data are available (Norberg, 1975): ⬇ 60°, n=36·Hz and ⌽ =69° for both wings; ...the dragonfly, , n and ⌽ do not vary with ... See full document
20
The Activity of Single Motor Fibres in Arthropods I The Dragonfly Nymph
... Responses to mechanical and electrical stimulation have been investigated in single motor fibres dissected in the segmental nerves of the dragonfly nymph.. A large proportion of fibres p[r] ... See full document
18
Evolution of Aircraft Flight Control System and Fly-By-Light Flight Control System
... IV. H YDRO -M ECHANICAL F LIGHT C ONTROL S YSTEM Due to ever increasing size and flight envelope of aircraft, mechanical flight control systems were found inadequate. With increasing speed of ... See full document
5
2D Time of Flight MR Venography in Neonates: Anatomy and Pitfalls
... In 1 neonate, coronal 2D TOF MRV demonstrated flow gap in the posterior third of superior sagittal sinus. Axial 2D TOF MRV confirmed the presence of flow within the posterior aspect of the superior sagittal sinus but ... See full document
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The neuronal organisation of stridulation and flight in the cricket, Teleogryllus commodus
... Comparison of the discharge pattern of bifunctional mesothoracic motoneurons during stridulation left column and flight right column; upper trace: N lD innervating the metathoracic dorsa[r] ... See full document
115
Neuronal control of development in hydra
... Int J D lIiol ~O 339 3~ (1996) 339 Neuronal control of development in hydra H CHICA SCHALLER', IRM HERMANS BORGMEYER and SABINE A H HOFFMEISTER Center for Molecular Neurobiology, University of Hamburg[.] ... See full document
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