Motor Neurone
Original Editor - Lucinda hampton
Top Contributors - Lucinda hampton, Rucha Gadgil and Naomi O'Reilly
Introduction[edit | edit source]
Motor neurons are cells in the brain and spinal cord that allow us to move, speak, swallow and breathe by sending commands from the brain to the muscles that carry out these functions.
Motor neurons divided into either:
- Upper motor neurons, which live in the main brain region and project into the brainstem and spinal cord. Normally, upper motor neurons transmit signals to lower motor neurons, directing them to make movements
- Lower motor neurons, which reside in the brainstem or spinal cord and directly innervate muscles. The lower neurons then signal the muscles themselves, controlling normal movements
When the signal is disrupted at some point in the pathway, it affects the ability of muscles to contract and move[1].
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References[edit | edit source]
- ↑ The Conversation What we know, don’t know and suspect about what causes motor neuron disease Available from;https://theconversation.com/what-we-know-dont-know-and-suspect-about-what-causes-motor-neuron-disease-79409 (accessed 19.12.2020)
