<prompt> Linea splendens is a modification of?Endosteal duramaterMeningeal duramaterPia materArachnoid mater  <response>: The pia gives off a septum into the anterior median fissure and where this process is given off, the pia mater presents a thickening called linea splendens. Ref: vishram Singh textbook of clinical neuroanatomy second edition pg 53 