sacral hiatus

noun

: the opening into the spinal canal in the midline of the dorsal surface of the sacrum between the laminae of the fifth sacral vertebra

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Cite this Entry

“Sacral hiatus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sacral%20hiatus. Accessed 30 May. 2024.

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