thecal sac

noun

: the membranous sac of dura mater covering the spinal cord and cauda equina and containing cerebrospinal fluid

Dictionary Entries Near thecal sac

Cite this Entry

“Thecal sac.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thecal%20sac. Accessed 22 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!