Definition that contains pia mater
- subarachnoid space a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospinal fluid
- tomentum cerebri a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex
- tomentum a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex