Name the numbered structures and provide their function !

1 : Mid-sagittal sinus - part of the venous system of the blood. It returns blood to the heart

2 : Corpus callosum - white, myelinated axons that connect the two hemispheres ( commisural fibers)

3 : Thalamus - important relay are for incoming and outgoing information

4 : Cerebellum - subconscious control and auto-pilot of voluntary motions

What structures are involved in returning cerebrospinal fluid to area #1 ?

Arachnoid villi

What is immediately inferior to structure #2 ?

The septum pellucidum, a membrane that covers the lateral ventricle

What do you call the white matter in structure 4 ?

Arbor vitae