https://wikimd.org/index.php?action=history&feed=atom&title=Renshaw_cell 2026-04-27T14:56:15Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.org/index.php?title=Renshaw_cell&diff=5879654&oldid=prev 2024-06-01T21:52:02Z

<p>CSV import</p> <p><b>New page</b></p><div>&#039;&#039;&#039;Renshaw cell&#039;&#039;&#039;<br /> <br /> [[Renshaw cells]] are a type of [[interneuron]] found in the [[spinal cord]] of [[mammals]]. They are named after [[Birdsey Renshaw]], who first described them in the 1940s. Renshaw cells play a crucial role in the [[motor system]] by providing [[inhibitory feedback]] to [[motor neurons]].<br /> <br /> ==Anatomy and Location==<br /> Renshaw cells are located in the [[ventral horn]] of the [[spinal cord]], specifically in the [[lamina VII]] region. They receive input from [[alpha motor neurons]] via [[collateral]] branches of the [[motor axons]]. This anatomical arrangement allows Renshaw cells to modulate the activity of the motor neurons that innervate [[skeletal muscles]].<br /> <br /> ==Function==<br /> The primary function of Renshaw cells is to provide [[recurrent inhibition]] to motor neurons. When a motor neuron fires, it sends a collateral signal to a Renshaw cell, which in turn inhibits the same motor neuron and its neighboring motor neurons. This feedback loop helps to regulate motor neuron activity, preventing excessive firing and ensuring smooth and coordinated muscle contractions.<br /> <br /> ==Neurotransmitters==<br /> Renshaw cells release the inhibitory neurotransmitter [[glycine]], which binds to receptors on motor neurons to produce an inhibitory effect. In some cases, they may also release [[gamma-aminobutyric acid]] (GABA), another inhibitory neurotransmitter.<br /> <br /> ==Clinical Significance==<br /> Dysfunction of Renshaw cells has been implicated in various [[neurological disorders]], including [[amyotrophic lateral sclerosis]] (ALS) and [[spinal cord injuries]]. Understanding the role of Renshaw cells in these conditions could lead to new therapeutic approaches.<br /> <br /> ==Related Pages==<br /> * [[Interneuron]]<br /> * [[Spinal cord]]<br /> * [[Motor neuron]]<br /> * [[Glycine]]<br /> * [[Gamma-aminobutyric acid]]<br /> * [[Amyotrophic lateral sclerosis]]<br /> <br /> ==References==<br /> {{Reflist}}<br /> <br /> ==External Links==<br /> {{Commons category|Renshaw cells}}<br /> <br /> [[Category:Neuroanatomy]]<br /> [[Category:Neuroscience]]<br /> [[Category:Spinal cord]]<br /> [[Category:Motor system]]<br /> [[Category:Interneurons]]<br /> <br /> {{Neuroscience-stub}}</div>

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