magnocellular red nucleus(English)

• during the phylogenesis of vertebrates, this nucleus emerged in the first tetrapods, when animals became terrestrial. Its volume increased in mammals with the development of the intermediate cerebellum and the interposed nuclei, from which it receives afferents. Besides afferent fibres from the motor cortex, the RNm receives a direct projection from the spinal cord. This afferent pathway induces somaesthetic responses and corollary discharges of spinal activities. In view of its central and exteroceptive connections, it seems likely than the RNm might participate in the rapid updating of motor commands about the use of locomotor limbs; also denoted as mRN or mNR
• RN, RNp
• Neurons, Spine (or spinal cord)
• https://doi.org…2/jn.00950.2000