thecal sac
[ thee-kuhl sak ]
nounAnatomy.
the loose membrane covering the spinal cord and containing cerebrospinal fluid; the spinal theca.
Origin of thecal sac
1First recorded in 1910–15
Words Nearby thecal sac
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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