arachnoid villus

synonym: arachnoid granulation
https://doi.org/10.1351/goldbook.10425

Small projection of the arachnoid membrane into some of the venous sinuses of the dura mater.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 726 [Terms] [Paper]