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)

1. (anatomy) Calcified structures in the pineal gland and other areas of the brain such as the choroid plexus.

Synonyms

• brain sand
• acervulus