Tag: subarachnoid space

November 13, 2025 / Mohammed looti

SUBARACHNOID SPACE

Definition and Anatomical Location The subarachnoid space is a critical anatomical region situated within the central nervous system (CNS), specifically positioned between two of the three protective layers known collectively as the meninges. It is defined as the interval existing between the delicate, innermost layer, the pia mater, which adheres tightly to the surface of […]

October 18, 2025 / Mohammed looti

SUBOCCIPITAL PUNCTURE

Suboccipital Puncture (Cisternal Puncture) Core Definition and Mechanism The Suboccipital Puncture, also widely known as the Cisternal Puncture, is a specialized medical procedure utilized to gain direct access to the subarachnoid space within the cranial vault. This technique is typically employed for both diagnostic and therapeutic purposes, serving as a critical alternative when the more […]