nodulus

noun, plural nod·u·li [noj–uh-lahy, -lee] /ˈnɒdʒ əˌlaɪ, -ˌli/. Anatomy.

1. a small node, especially on the vermis of the cerebellum.

n. pl. nod•u•li (-lī′)

1. A small node; nodule.
2. The posterior extremity of the lower part of the vermis of the cerebellum.