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Keywords: motor neuron
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Journal Articles
J Exp Biol (2020) 223 (24): jeb235705.
Published: 24 December 2020
... breathing. In addition, lactate potentiated the excitatory postsynaptic strength of respiratory motor neurons, thereby coupling central lactate to the excitatory drive of neurons that trigger muscle contraction. Lactate did not affect motor output through pH or pyruvate metabolism, arguing for sensitivity...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (14): jeb200683.
Published: 17 July 2019
... the mechanisms by which O. unilateralis s.l. may be able to influence mandibular muscle contraction despite widespread muscle damage. We found that infected muscles show evidence of hypercontraction. Despite the extensive colonization, both motor neurons and neuromuscular junctions appear to be maintained...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (12): 2108–2116.
Published: 15 June 2012
...Daniel Kueh; John A. Jellies SUMMARY The heart excitor (HE) motor neuron in the leech Hirudo releases acetylcholine (ACh) and a peptide, FMRFamide, to regulate the contractile activity of the heart tube and associated side vessels. Consistent with Dale's principle, it was assumed that both...
Journal Articles
J Exp Biol (2003) 206 (6): 1035–1049.
Published: 15 March 2003
... spikes occur in the fast extensor tibiae(FETi) motor neuron. The rapid extension of the tibia can follow directly upon these spikes or can be delayed by as long as 40 ms. The velocity of tibial movement is positively correlated with the number of FETi spikes. The hind legs are 1.5 times longer than...
Journal Articles
J Exp Biol (2003) 206 (4): 759–769.
Published: 15 February 2003
... in individual flexor motor neurons can evoke spikes in sensory neurons from the lump receptor when the joint is fully flexed. In turn, the sensory neurons cause a hyperpolarisation in particular flexor motor neurons in a polysynaptic negative feedback loop. The lump receptor could, therefore, regulate...
Journal Articles
J Exp Biol (2003) 206 (2): 223–231.
Published: 15 January 2003
... two additional aspects of pharyngeal behavior. Serotonin decreases the duration of the pharyngeal action potential and enhances activity of the pharyngeal M3 motor neurons. Gramine, a competitive serotonin antagonist, and octopamine have effects opposite to those of serotonin: gramine and octopamine...
Journal Articles
J Exp Biol (2002) 205 (11): 1519–1530.
Published: 1 June 2002
... for jumping and kicking are similar and consist of three phases;an initial flexion of the tibia is followed by a co-contraction of the small flexor and large extensor tibiae muscles lasting several hundred milliseconds while the tibia remains fully flexed. Finally, the flexor motor neurons stop spiking so...