thecal sac

[ thee-kuhl sak ]

nounAnatomy.
  1. the loose membrane covering the spinal cord and containing cerebrospinal fluid; the spinal theca.

Origin of thecal sac

1
First recorded in 1910–15

Words Nearby thecal sac

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024