: small grains of calcareous matter in the brain (as in the pineal gland) that occur especially in association with aging
called also acervulus, acervulus cerebri
Dictionary Entries Near brain sand
Cite this Entry
“Brain sand.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/brain%20sand. Accessed 23 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share