Skip to Content
Medical Term:

lumbar cistern

Definition

enlargement of the subarachnoid space between the conus medullaris of spinal cord (about vertebral level L2) and inferior end of subarachnoid space and dura mater (about vertebral level S2); occupied by the posterior and anterior roots constituting the cauda equina, the terminal filum, and cerebrospinal fluid; site for lumbar puncture and spinal anesthesia.

Synonym(s): cisterna lumbalisTA

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide