NEET PG DENTAL EXAM

Detailed explanation-1: -The subarachnoid space consists of the cerebrospinal fluid (CSF), major blood vessels, and cisterns . The cisterns are enlarged pockets of CSF created due to the separation of the arachnoid mater from the pia mater based on the anatomy of the brain and spinal cord surface.

Detailed explanation-2: -In people, CSF enters the subarachnoid space through the lateral apertures (foramina of Luschka) and the median aperture (foramen of Magendie) of the fourth ventricle.