1. located beneath the arachnoid membrane of the brain and spinal cord
Usage: medical

Examples

• The patient suffered a subarachnoid hemorrhage.
• Cerebrospinal fluid flows through the subarachnoid space.
• The doctor ordered a CT scan to check for subarachnoid bleeding.
• Subarachnoid cysts can cause headaches and neurological symptoms.
• The subarachnoid space contains blood vessels that supply the brain.
• A lumbar puncture samples fluid from the subarachnoid space.