ArticleAutonomic neuroscience : basic & clinical2007
Electrical properties of neurons in the intact rat major pelvic ganglion.
Article in Autonomic neuroscience : basic & clinical, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Dissection of Pelvic Autonomic Ganglia and Associated Nerves in Male and Female Rats.Journal of visualized experiments : JoVE · 2020Article
- Synaptic transmission at parasympathetic neurons of the major pelvic ganglion from normal and diabetic male mice.Journal of neurophysiology · 2013Article
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3 authors.
Funding
Abstract
The aim of this investigation was to characterize the electrical properties of neurons in the rat major pelvic ganglia (MPG) using intracellular recording techniques. MPG were dissected from male rats euthanized by isoflurane and thoracotomy. Neurons were classified as "phasic" or "tonic" according to their rate of accommodation during a 500-ms depolarizing current pulse. Phasic cells were further subdivided into rapidly or slowly adapting. The firing pattern of tonic cells was divided into regular high frequency, low frequency or irregular firing. In tonic cells, onset spikes showed TTX-resistant discharges; whereas sustained spikes were TTX sensitive. Changing the current pulse amplitude or the stimulation interval could alter the firing pattern in both types of neurons. Subthreshold membrane potential oscillations (SMPOs) were primarily observed when neurons were depolarized. SMPOs were Na(+) dependent and TTX sensitive. The majority of tonic and phasic neurons generated rebound spikes, most of which were partially Na(+) dependent. A small percentage (<6%) of neurons exhibited spontaneous activity. Taken together these findings are consistent with the concept that neurons in the MPG exhibit heterogeneous electrical properties.
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