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Corpora arenacea (singular: corpus arenaceum, [1] also called brain sand or acervuli [2] [3] or psammoma bodies [4] or pineal concretions [4]) are calcified structures in the pineal gland and other areas of the brain such as the choroid plexus. Older organisms have numerous corpora arenacea, whose function, if any, is unknown.
Pineal gland calcification is detrimental to its ability to synthesize melatonin [37] [38] and scientific literature presents inconclusive findings on whether it causes sleep problems. [39] [40] The calcified gland is often seen in skull X-rays. [35]
Calcification is the accumulation of calcium salts in a body tissue. It normally occurs in the formation of bone, but calcium can be deposited abnormally in soft tissue, [1] [2] causing it to harden. Calcifications may be classified on whether there is mineral balance or not, and the location of the calcification. [3]
A pineal gland cyst is a usually benign (non-malignant) cyst in the pineal gland, a small endocrine gland in the brain. Historically, these fluid-filled bodies appeared on 1-4% of magnetic resonance imaging (MRI) brain scans, but were more frequently diagnosed at death, seen in 4-11% of autopsies. [1]
Hydroxyapatite crystals are also found in pathological calcifications such as those found in breast tumors, [8] as well as calcifications within the pineal gland (and other structures of the brain) known as corpora arenacea or "brain sand". [9]
Globally, it causes about 10 million deaths per year. Atherosclerosis is characterized by the build-up of plaque inside your blood vessels. It can lead to stenosis, which is a narrowing of your ...
Pineocytoma, is a rare, benign, slowly growing tumor of the pineal gland. The pineal gland is a small endocrine gland close to the center of the brain that secretes melatonin into the bloodstream. Pineocytomas can cause pressure and fluid build-up in the brain. They are more common in adults.
Image credits: challam #3. For me, it's just losing that feeling of innocence you had in your youth. Like seeing your crush in class and imagining a relationship in your head.