"corpora arenacea" meaning in English

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  "etymology_text": "From Latin corpora, nominative neuter plural of corpus (“body”), + arēnācea, nominative neuter plural of arēnāceus (“sandy”).",
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      "glosses": [
        "Calcified structures in the pineal gland and other areas of the brain such as the choroid plexus."
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          "Calcified",
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          "pineal",
          "pineal"
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          "gland",
          "gland"
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          "choroid plexus",
          "choroid plexus"
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        "(anatomy) Calcified structures in the pineal gland and other areas of the brain such as the choroid plexus."
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          "word": "brain sand"
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        {
          "word": "acervulus"
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        "corpora arenacea"
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  "word": "corpora arenacea"
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        "(anatomy) Calcified structures in the pineal gland and other areas of the brain such as the choroid plexus."
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