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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2230904 | PMC |
| http://dx.doi.org/10.1111/j.1469-7793.1998.646bp.x | DOI Listing |
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Cholinergic-mediated coordination of rhythmic sympathetic and motor activities in the newborn rat spinal cord.
PLoS Biol
July 2018
Université de Bordeaux, CNRS UMR 5287, Bordeaux, France.
Here, we investigated intrinsic spinal cord mechanisms underlying the physiological requirement for autonomic and somatic motor system coupling. Using an in vitro spinal cord preparation from newborn rat, we demonstrate that the specific activation of muscarinic cholinergic receptors (mAchRs) (with oxotremorine) triggers a slow burst rhythm in thoracic spinal segments, thereby revealing a rhythmogenic capability in this cord region. Whereas axial motoneurons (MNs) were rhythmically activated during both locomotor activity and oxotremorine-induced bursting, intermediolateral sympathetic preganglionic neurons (IML SPNs) exhibited rhythmicity solely in the presence of oxotremorine.
View Article and Find Full Text PDFSynchronization of somato-sympathetic outflows during exercise: role for a spinal rhythm generator.
J Physiol
May 1998
Department of Physiology, University of Texas Southwestern Medical Center, Harry S. Moss Heart Center, 5323 Harry Hines Boulevard, Dallas, TX 75235, USA.
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