-dȯrˈsalə̇s, -sāl-, -säl- noun
( plural nuclei dorsa·les -a(ˌ)lēz, -ā(ˌ)lēz, -ä(ˌ)lās)
Etymology: New Latin, literally, dorsal nucleus
: an elongated longitudinal strand of neurons in the spinal cord with its axons passing into the direct cerebellar tract