corpora arenacea
English
Etymology
From Latin corpora, nominative neuter plural of corpus (“body”), + arēnācea, nominative neuter plural of arēnāceus (“sandy”).
Noun
corpora arenacea pl (plural only)
- (anatomy) Calcified structures in the pineal gland and other areas of the brain such as the choroid plexus.
Synonyms
- brain sand
- acervulus