tentorial
/tɛnˈtoʊriəl/Definitions
1. adjective
relating to the tentorium, a fold of the dura mater in the brain.
“The tentorial structure is a vital part of brain anatomy.”
2. noun
the tentorium or a fold of the dura mater in the brain.
“The tentorial membrane is a critical component in the cerebrospinal fluid circulation.”