The red nucleus receives many inputs from the contralateral cerebellum and an input from the ipsilateral motor cortex , and sends efferent axons ( the rubrospinal projection ) to the contralateral half of the rhombencephalic reticular formation and spinal cord .
The red nucleus receives many inputs from the contralateral cerebellum and an input from the ipsilateral motor cortex . 
 It sends efferent axons ( the rubrospinal projection ) to the contralateral half of the rhombencephalic reticular formation and spinal cord .