posterior spinocerebellar tract

Function

• the posterior spinocerebellar tract conveys largely proprioceptive information orginating from the annulospiral nerve endings surrounding muscle spindles & from Golgi tendon organs

Origin

• a compact bundle of heavily myelinated, thick fibers originating in the ipsilateral thoracic Clarke's column

Course

• the CNS white matter tract ascends in the lateral funiculus & reaches the cerebellum by way of the inferior cerebellar peduncle
• the tract terminates as mossy fibers in the granular layer of the of the cortex of the cerebellar vermis & via collaterals, the cerebellar nuclei.

More general terms

• spinocerebellar tract

Additional terms

• Clarke's column