Helisoma trivolvis
Serotonin induced modulation of excitability in an identified Helisoma trivolvis neuron
... Stimulation of giant serotonergic cell cerebral neuron 1 (C1) activates the feeding motor program in cerebral–buccal ganglia preparations of Helisoma trivolvis and increases spiking activity in neuron B19 ...
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Stimulation of cilia beat frequency by serotonin is mediated by a Ca2+ influx in ciliated cells of Helisoma trivolvis embryos
... snail Helisoma trivolvis has emerged as a valuable model system to address this ...H. trivolvis undergoes direct development from single cell to juvenile stages within a transparent egg mass over a ...
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Regulation of early embryonic behavior by nitric oxide in the pond snail Helisoma trivolvis
... Helisoma trivolvis embryos display a cilia-driven rotational behavior that is regulated by a pair of serotonergic neurons named ENC1s. As these cilio- excitatory motor neurons contain an apical dendrite ...
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Identification, characterisation and in vitro reconstruction of an interneuronal network of the snail Helisoma trivolvis
... pulmonates, Helisoma trivolvis, Planorbis corneus and Lymnaea stagnalis and the opisthobranchs, Aplysia californica and Tritonia ...of Helisoma and Planorbis have only recently begun to be mapped ...
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Identification, molecular structure and expression of two cloned serotonin receptors from the pond snail, Helisoma trivolvis
... snail Helisoma trivolvis Say 1816 is a gastropod mollusc that has been used to explore in depth the 5-HT neurotransmitter system from a developmental ...
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Radular Kinetics During Grazing in Helisoma Trivolvis (Gastropoda: Pulmonata)
... Discussion Results from the present study agree with recent ideas about the mechanism of gastropod feeding and have shown that the radula of Helisoma trivolvis slides over the underlying[r] ...
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Properties of an identified dopamine containing neurone from the snail Helisoma trivolvis
... The use of concanavalin A as a substrate increased the percentage of neurones extending neurites. Concanavalin A has been shown to stimulate neurite outgrowth in neurones of several different species including A. ...
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Dopaminergic neurons in the brain and dopaminergic innervation of the albumen gland in mated and virgin helisoma duryi (mollusca: pulmonata)
... Dopaminergic neurons have been mapped in the brains of other snails [5,20–27], and they were mapped in the buccal ganglia of Helisoma trivolvis[2,28]. The map of the dopaminergic neurons in the buccal ...
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Predictors of Treatment Adherence in Adolescents with Inflammatory Bowel Disease: The Role of Age, Body Satisfaction and Prospective Memory in Medication and Diet Behavior
... Nitric oxide (NO) is a gaseous messenger that has multiple functions during development, including regulation of proliferation, differentiation, pathfinding and synaptic pruning (Ernst et al., 1999; Cogen & ...
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Helisoma neurones in the construction of circuits in vitro
... (Kostenko et a l, 1974), and then with reports of the isolation of neurones from the ganglia of the sea hare Aplysia californica (Kaczmarek et a l , 1979) and the medicinal leech Hirudo medicinalis (Ready and Nicholls, ...
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Electrotonic Conduction in the Optic Nerves of Planorbid Snails
... In the optic nerves of Helisoma trivolvis and Planorbis corneas a flash of light to the eye produces a procaine-insensitive DC potential that is graded with stimulus intensity and lasts [r] ...
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Morphological changes and functional recovery following axotomy of a serotonergic cerebrobuccal neurone in the land snail Achatina fulica
... One consequence of a lesion to the CBC and the subsequent degenerative events is a unilateral depletion of serotonin in the buccal ganglia (see Fig. 6A,B). In other recent studies we have demonstrated that ...
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Pharmacology of ionotropic and metabotropic glutamate receptors on neurons involved in feeding behavior in the pond snail, Helisoma trivolvis
... Glutamate is a key regulatory neurotransmitter in the triphasic central pattern generator controlling feeding behavior in the pond snail, Helisoma trivolvis. It excites phase two motor neurons while ...
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Aminergic and peptidergic modulation of motor function at an identified neuromuscular junction in Helisoma
... The objectives of this study were 1 to characterize through anatomical and electrophysiological techniques B19's neuromuscular junction NMJ, 2 to examine the modulatory actions of 5-HT, [r] ...
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Further Observations on the Serotonergic Cerebral Neurones of Helisoma (Mollusca, Gastropoda): The Case for Homology with the Metacerebral Giant Cells
... In Ariolimax Senseman & Gelperin, 1974, Helix Kandel & Tauc, 1966 a; Pentreath & Cottrell, 1974 and Tritonia diomedea Dorsett, 1967 the cells also send processes down the contralateral C[r] ...
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Ionic bases of resting and action potentials in salivary gland acinar cells of the snail Helisoma
... Helisoma salivary gland acinar cells exhibit action potentials with a major dependence on external Ca ions and an apparently small contribution by an inward Na current.. These dependenci[r] ...
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Comparative neuroethology of feeding control in molluscs
... as Helisoma, Planorbis and Helix, the consummatory phase of feeding consists of a series of repetitions of three sequential movements: (i) protraction, in which the radula extends to contact the food; (ii) ...
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Conditioning factor(s) produced by several molluscan species promote neurite outgrowth in cell culture
... These collective observations demonstrate that for Helisoma, Biomphalaria and perhaps Lymnaea and Aplysia, not only can their ganglia produce CM, but additionally, their neurones, when i[r] ...
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The Effects of Extreme Media on Political Behavior, Attitudes, and Media Selection
... Recordings from the Helisoma B5 neuron in whole-cell current-clamp mode were obtained as described previously (Artinian et al., 2010). The patch electrodes were pulled from borosilicate glass tube (OD 1.5mm; ID ...
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