Arachnoid trabeculae:

close-up view of the meninges showing the arachnoid trabeculae.

close-up view of the meninges showing the arachnoid trabeculae.

thin strands of connective tissue that extend from the arachnoid mater to the pia mater and help to keep the brain suspended in place.

Read more: Know your brain - Meninges

Watch this 2-Minute Neuroscience video to learn more about the meninges.