Superior vermian vein
A vein on the upper surface of the vermis, that ends in the internal cerebral vein and drains part of the upper cerebellum
The precentral cerebellar vein and superior vermian vein enter the vein of Galen from below and are fused in almost half of all studied patients, creating a third vessel by the name of the superior cerebellar vein 1)
1)
Krogager ME, Jespersen B, Mathiesen TI, Benndorf G. Three underdogs among galenic veins: anatomical analysis and literature review of surgical relevant veins in the quadrigeminal cistern. Neurosurg Rev. 2022 Aug 10. doi: 10.1007/s10143-022-01842-z. Epub ahead of print. PMID: 35947231.