The lateral reticular nucleus, of the lateral funiculus, can be divided into three subnuclei, the parvocellular, magnocellular and the subtrigeminal. As is typical of the reticular formation, none of these are very distinct subnuclei, but rather blurred distinctions between cell types and location. The lateral reticular nucleus sends all of its projections to the cerebellum. All of these efferent pathways are projected in an ipsilateral manner to the cerebellum, the most abundant of which are those to the vermis. This implies that most input from the spinal cord is relayed into the vermis.